APA (7th ed.) Citation

Brown, R. C. (1961). A textbook of physics. Longmans.

Chicago Style (17th ed.) Citation

Brown, Reginald Carr. A Textbook of Physics. London: Longmans, 1961.

MLA (9th ed.) Citation

Brown, Reginald Carr. A Textbook of Physics. Longmans, 1961.