Cita APA (7a ed.)

Speech Communication Association, Speech Communication Association. Commission on Freedom of Speech, & National Communication Association (U.S.). (1970). Free speech yearbook. Speech Communication Association.

Cita Chicago Style (17a ed.)

Speech Communication Association, Speech Communication Association. Commission on Freedom of Speech, y National Communication Association (U.S.). Free Speech Yearbook. Falls Church, Va.: Speech Communication Association, 1970.

Cita MLA (9a ed.)

Speech Communication Association, et al. Free Speech Yearbook. Speech Communication Association, 1970.