APA (7th ed.) Citation

Nock, O. S. (1966). Steam railways in retrospect / by O.S. Nock. Black.

Chicago Style (17th ed.) Citation

Nock, O. S. Steam Railways in Retrospect / by O.S. Nock. Black, 1966.

MLA (9th ed.) Citation

Nock, O. S. Steam Railways in Retrospect / by O.S. Nock. Black, 1966.

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