Cita APA (7a ed.)

Calhoun, B. (1969). Northwest passages. Miller Freeman Publications.

Cita Chicago Style (17a ed.)

Calhoun, Bruce. Northwest Passages. San Francisco: Miller Freeman Publications, 1969.

Cita MLA (8a ed.)

Calhoun, Bruce. Northwest Passages. Miller Freeman Publications, 1969.

Precaución: Estas citas no son 100% exactas.