Cita APA (7a ed.)

Collard, C. V., & O'Brien, P. W. (1996). The family: Past, present and future. Simon and Schuster.

Cita Chicago Style (17a ed.)

Collard, Clyde V., y Paul W. O'Brien. The Family: Past, Present and Future. Needham Heights, Mass: Simon and Schuster, 1996.

Cita MLA (9a ed.)

Collard, Clyde V., y Paul W. O'Brien. The Family: Past, Present and Future. Simon and Schuster, 1996.