Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.