Cita APA (7a ed.)

Robertson, W. (1923). Hispanic-american relations with the United States. Oxford University Press.

Cita Chicago Style (17a ed.)

Robertson, William. Hispanic-american Relations with the United States. New York: Oxford University Press, 1923.

Cita MLA (8a ed.)

Robertson, William. Hispanic-american Relations with the United States. Oxford University Press, 1923.