APA (7th ed.) Citation

Nelson, D., & Nelson, S. (1981). 50 hikes in Arizona. Gem Guides Book Co..

Chicago Style (17th ed.) Citation

Nelson, Dick, and Sharon Nelson. 50 Hikes in Arizona. Pico Rivera, Calif.: Gem Guides Book Co., 1981.

MLA (9th ed.) Citation

Nelson, Dick, and Sharon Nelson. 50 Hikes in Arizona. Gem Guides Book Co., 1981.

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