APA (7th ed.) Citation

Keyes, N. B. (1957). The real book about our National Parks. Garden City Books.

Chicago Style (17th ed.) Citation

Keyes, Nelson Beecher. The Real Book About Our National Parks. New York: Garden City Books, 1957.

MLA (9th ed.) Citation

Keyes, Nelson Beecher. The Real Book About Our National Parks. Garden City Books, 1957.

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