APA (7th ed.) Citation

Signor, J. R. (1985). Donner Pass: Southern Pacific's Sierra crossing. Golden West Books.

Chicago Style (17th ed.) Citation

Signor, John R. Donner Pass: Southern Pacific's Sierra Crossing. San Marino, Calif.: Golden West Books, 1985.

MLA (9th ed.) Citation

Signor, John R. Donner Pass: Southern Pacific's Sierra Crossing. Golden West Books, 1985.