APA (7th ed.) Citation

Delgado,James P. (1992). America's national parks: A photographic journey. Crescent books.

Chicago Style (17th ed.) Citation

Delgado,James P. America's National Parks: A Photographic Journey. New York: Crescent books, 1992.

MLA (9th ed.) Citation

Delgado,James P. America's National Parks: A Photographic Journey. Crescent books, 1992.

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