Cita APA (7a ed.)

Butler, E. I., & Dale, G. A. (1958). Alaska, the land and the people (2nd printing.). Viking.

Cita Chicago Style (17a ed.)

Butler, Evelyn I., y George Allan Dale. Alaska, the Land and the People. 2nd printing. New York: Viking, 1958.

Cita MLA (9a ed.)

Butler, Evelyn I., y George Allan Dale. Alaska, the Land and the People. 2nd printing. Viking, 1958.