APA (7th ed.) Citation

Muhlfeld, J. E. (1941). The railroad problem and its solution: By John E. Muhlfeld. The Devin-Adair Company.

Chicago Style (17th ed.) Citation

Muhlfeld, John Erhardt. The Railroad Problem and Its Solution: By John E. Muhlfeld. New York: The Devin-Adair Company, 1941.

MLA (9th ed.) Citation

Muhlfeld, John Erhardt. The Railroad Problem and Its Solution: By John E. Muhlfeld. The Devin-Adair Company, 1941.

Warning: These citations may not always be 100% accurate.