APA (7th ed.) Citation

Shields, A. (1959). Guide to Tuolumne Meadows trails. Yosemite Natural History Association.

Chicago Style (17th ed.) Citation

Shields, Allan. Guide to Tuolumne Meadows Trails. [California?]: Yosemite Natural History Association, 1959.

MLA (9th ed.) Citation

Shields, Allan. Guide to Tuolumne Meadows Trails. Yosemite Natural History Association, 1959.

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