APA Citatie

Douglas, W. O. (1950). Of men and mountains. New York: Happer and Brothers Publishers.

Chicago Style citaat

Douglas, William O. Of Men and Mountains. New York: Happer and Brothers Publishers, 1950.

MLA citatie

Douglas, William O. Of Men and Mountains. New York: Happer and Brothers Publishers, 1950.

Let op: Deze citaties zijn niet altijd 100% accuraat.