Cita APA (7a ed.)

Crisswell, C. (1977). The development of man (1. Aufl.). Longman.

Cita Chicago Style (17a ed.)

Crisswell, Colin. The Development of Man. 1. Aufl. Hong Kong: Longman, 1977.

Cita MLA (9a ed.)

Crisswell, Colin. The Development of Man. 1. Aufl. Longman, 1977.