APA (7th ed.) Citation

Smalley, E. V. (1975). History of the Northern Pacific Railroad. Arno Press.

Chicago Style (17th ed.) Citation

Smalley, Eugene Virgil. History of the Northern Pacific Railroad. New York: Arno Press, 1975.

MLA (9th ed.) Citation

Smalley, Eugene Virgil. History of the Northern Pacific Railroad. Arno Press, 1975.