APA način citiranja

Barkers, E. (1927). National character and the factors in its formation. New York: Harper & Brothers Publishers.

Čikaški stil citiranja

Barkers, Ernest. National Character and the Factors in Its Formation. New York: Harper & Brothers Publishers, 1927.

MLA način citiranja

Barkers, Ernest. National Character and the Factors in Its Formation. New York: Harper & Brothers Publishers, 1927.