APA引文

Packard, L. O. (1953). Geography of the world (Rev. ed.). Macmillan.

Chicago Style (17th ed.) Citation

Packard, Leonard Oscar. Geography of the World. Rev. ed. New York: Macmillan, 1953.

MLA引文

Packard, Leonard Oscar. Geography of the World. Rev. ed. Macmillan, 1953.