APA (7th ed.) Citation

Muench, D., & Frome, M. (1977). The national parks. Rand McNally.

Chicago Style (17th ed.) Citation

Muench, David, and Michael Frome. The National Parks. Chicago [u.a.]: Rand McNally, 1977.

MLA (9th ed.) Citation

Muench, David, and Michael Frome. The National Parks. Rand McNally, 1977.

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