APA引文

Conant, M. (1962). The long polar watch: Canada and the defense of North America (3rd ed.). Harper.

Chicago Style (17th ed.) Citation

Conant, Melvin. The Long Polar Watch: Canada and the Defense of North America. 3rd ed. New York: Harper, 1962.

MLA引文

Conant, Melvin. The Long Polar Watch: Canada and the Defense of North America. 3rd ed. Harper, 1962.