Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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