APA (7th ed.) Citation

Nichols, H. L. (1961). The history of Southwestern Public Service Company. Newcomen Society in North America.

Chicago Style (17th ed.) Citation

Nichols, H. L. The History of Southwestern Public Service Company. New York: Newcomen Society in North America, 1961.

MLA (9th ed.) Citation

Nichols, H. L. The History of Southwestern Public Service Company. Newcomen Society in North America, 1961.