APA (7th ed.) Citation

Nock, O. S. (1979). Railways of the USA. Hastings House.

Chicago Style (17th ed.) Citation

Nock, O. S. Railways of the USA. New York: Hastings House, 1979.

MLA (9th ed.) Citation

Nock, O. S. Railways of the USA. Hastings House, 1979.

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