APA (7th ed.) Citation

(1960). Walnut Canyon rim trail. [s.l.].

Chicago Style (17th ed.) Citation

Walnut Canyon Rim Trail. [Ariz.?]: [s.l.], 1960.

MLA (9th ed.) Citation

Walnut Canyon Rim Trail. [s.l.], 1960.

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