APA (7th ed.) Citation

Barker, P. (1972). A Sociological portrait. Penguin Books.

Chicago Style (17th ed.) Citation

Barker, Paul. A Sociological Portrait. Penguin Books, 1972.

MLA (9th ed.) Citation

Barker, Paul. A Sociological Portrait. Penguin Books, 1972.

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