APA (7th ed.) Citation

Nock, O. S. (1950). Scottish railways / by O.S. Nock. Nelson.

Chicago Style (17th ed.) Citation

Nock, O. S. Scottish Railways / by O.S. Nock. Nelson, 1950.

MLA (9th ed.) Citation

Nock, O. S. Scottish Railways / by O.S. Nock. Nelson, 1950.

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