Cita APA (7a ed.)

Morphet, E. L., & Ryan, C. O. (1967). Prospective changes in society by 1980. Citation Press.

Cita Chicago Style (17a ed.)

Morphet, Edgar L., y Charles O. Ryan. Prospective Changes in Society by 1980. New York: Citation Press, 1967.

Cita MLA (9a ed.)

Morphet, Edgar L., y Charles O. Ryan. Prospective Changes in Society by 1980. Citation Press, 1967.