APA (7th ed.) Citation

Rennicke, J., & Melford, M. (2001). Treasures of Alaska: Last great American wilderness. National Geographic.

Chicago Style (17th ed.) Citation

Rennicke, Jeff, and Michael Melford. Treasures of Alaska: Last Great American Wilderness. Washington, D.C.: National Geographic, 2001.

MLA (9th ed.) Citation

Rennicke, Jeff, and Michael Melford. Treasures of Alaska: Last Great American Wilderness. National Geographic, 2001.