APA (7th ed.) Citation

Rand McNally and Company & Morgan, D. L. (1956). Rand McNally's pioneer atlas of the American West. Rand McNally.

Chicago Style (17th ed.) Citation

Rand McNally and Company and Dale Logan Morgan. Rand McNally's Pioneer Atlas of the American West. [Place of publication not identified]: Rand McNally, 1956.

MLA (9th ed.) Citation

Rand McNally and Company and Dale Logan Morgan. Rand McNally's Pioneer Atlas of the American West. Rand McNally, 1956.