APA (7th ed.) Citation

Nock, O. S. (1983). British locomotives of the 20th century / O.S. Nock. Stephens.

Chicago Style (17th ed.) Citation

Nock, O. S. British Locomotives of the 20th Century / O.S. Nock. Cambridge: Stephens, 1983.

MLA (9th ed.) Citation

Nock, O. S. British Locomotives of the 20th Century / O.S. Nock. Stephens, 1983.

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