Cita APA (7a ed.)

Parkman, F., & Jacobs, W. R. (1960). Letters of Francis Parkman. University of Oklahoma Press.

Cita Chicago Style (17a ed.)

Parkman, Francis, y Wilbur R. Jacobs. Letters of Francis Parkman. Norman: University of Oklahoma Press, 1960.

Cita MLA (9a ed.)

Parkman, Francis, y Wilbur R. Jacobs. Letters of Francis Parkman. University of Oklahoma Press, 1960.