Cita APA (7a ed.)

Harrington, R., & Wilson, C. (1953). Northern exposures: Canada's backwoods and barrens pictured in monochrome and color. H. Schuman.

Cita Chicago Style (17a ed.)

Harrington, Richard, y Clifford Wilson. Northern Exposures: Canada's Backwoods and Barrens Pictured in Monochrome and Color. New York: H. Schuman, 1953.

Cita MLA (9a ed.)

Harrington, Richard, y Clifford Wilson. Northern Exposures: Canada's Backwoods and Barrens Pictured in Monochrome and Color. H. Schuman, 1953.