Traprock, W. E., & Chappel, G. S. (1922). My northern exposure (1a. ed.). G. P. Putnam's sons.
Cita Chicago (17th ed.)Traprock, Walter E., i G. S. Chappel. My Northern Exposure. 1a. ed. Nueva York: G. P. Putnam's sons, 1922.
Cita MLA (9th ed.)Traprock, Walter E., i G. S. Chappel. My Northern Exposure. 1a. ed. G. P. Putnam's sons, 1922.
Atenció: Aquestes cites poden no estar 100% correctes.