Cita APA (7a ed.)

Rölvaag, O. (1927). Giants in the earth: A saga of the prairie. Harper and Row.

Cita Chicago Style (17a ed.)

Rölvaag, O.E. Giants in the Earth: A Saga of the Prairie. New York, Estados Unidos: Harper and Row, 1927.

Cita MLA (9a ed.)

Rölvaag, O.E. Giants in the Earth: A Saga of the Prairie. Harper and Row, 1927.