APA (7th ed.) Citation

Richmond, A. H. (1955). The colour problem: A study of racial relations. Penguin.

Chicago Style (17th ed.) Citation

Richmond, Anthony H. The Colour Problem: A Study of Racial Relations. Harmondsworth, Middlesex: Penguin, 1955.

MLA (8th ed.) Citation

Richmond, Anthony H. The Colour Problem: A Study of Racial Relations. Penguin, 1955.

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