STM
SAGE is a member of the International Association of STM publishers, and is a signatory to the STM Permissions Guidelines. This allows SAGE authors to use, in a limited capacity, other signatories' content within their SAGE publication. If the material is from a work published by an STM signatory, and the amount of material used is within the guidelines, subject to any limitations stated for the publisher on the list of signatories, the material may be used without permission from the rightsholder, at no charge.
STM
SAGE is a member of the International Association of STM publishers, and is a signatory to the STM Permissions Guidelines. This allows SAGE authors to use, in a limited capacity, other signatories' content within their SAGE publication. If the material is from a work published by an STM signatory, and the amount of material used is within the guidelines, subject to any limitations stated for the publisher on the list of signatories, the material may be used without permission from the rightsholder, at no charge.
Please be sure to review all third-party content used to determine if any content owned by STM signatories qualifies per the guidelines before requesting permission.
You can find the Permissions Guidelines and a list of publisher signatories here: http://www.stm-assoc.org/copyright-legal-affairs/permissions/permissions-guidelines/.
Please note that the information provided on this site is not intended to be legal advice. You may wish to consult with your own legal counsel regarding your legal obligations.