APA (7th ed.) Citation

Hertzog, C. (1947). Calendar of twelve travelers through the Pass of the North. At the Pass.

Chicago Style (17th ed.) Citation

Hertzog, Carl. Calendar of Twelve Travelers Through the Pass of the North. [El Paso, Texas]: At the Pass, 1947.

MLA (9th ed.) Citation

Hertzog, Carl. Calendar of Twelve Travelers Through the Pass of the North. At the Pass, 1947.