APA引文

Dunn, M. G. (1989). Exploring your world: The adventure of geography. National Geographic Society.

Chicago Style (17th ed.) Citation

Dunn, Margery G. Exploring Your World: The Adventure of Geography. Washington, D.C.: National Geographic Society, 1989.

MLA引文

Dunn, Margery G. Exploring Your World: The Adventure of Geography. National Geographic Society, 1989.