Cita APA

Packard, L. O. (1948). Geography of the world. The Macmillan.

Citación estilo Chicago

Packard, Leonard O. Geography of the World. New York: The Macmillan, 1948.

Cita MLA

Packard, Leonard O. Geography of the World. The Macmillan, 1948.

Warning: These citations may not always be 100% accurate.