Cita APA (7a ed.)

George Washington University. Patent, Trademark, and Copyright Research Institute, George Washington University. PTC Research Institute, & Franklin Pierce Law Center. PTC Research Foundation. (1964). Idea. Franklin Pierce Law Center.

Cita Chicago Style (17a ed.)

George Washington University. Patent, Trademark, and Copyright Research Institute, George Washington University. PTC Research Institute, y Franklin Pierce Law Center. PTC Research Foundation. Idea. Concord, New Hampshire: Franklin Pierce Law Center, 1964.

Cita MLA (9a ed.)

George Washington University. Patent, Trademark, and Copyright Research Institute, et al. Idea. Franklin Pierce Law Center, 1964.