APA način citiranja

Collier, R. (1931). The Robert Collier Letter Book. New York ; London: McGraw-Hill Book Company.

Čikaški stil citiranja

Collier, Robert. The Robert Collier Letter Book. New York ; London: McGraw-Hill Book Company, 1931.

MLA način citiranja

Collier, Robert. The Robert Collier Letter Book. New York ; London: McGraw-Hill Book Company, 1931.