APA (7th ed.) Citation

Automobile Club of Southern California & California State Automobile Association. (1974). Guide to San Bernardino Mountains. [publisher not identified].

Chicago Style (17th ed.) Citation

Automobile Club of Southern California and California State Automobile Association. Guide to San Bernardino Mountains. Los Angeles: [publisher not identified], 1974.

MLA (9th ed.) Citation

Automobile Club of Southern California and California State Automobile Association. Guide to San Bernardino Mountains. [publisher not identified], 1974.