APA (7th ed.) Citation

Sprott, W. J. H. (1958). Human groups. Penguin Books.

Chicago Style (17th ed.) Citation

Sprott, Walter John Herbert. Human Groups. [Harmondsworth, Middlesex]: Penguin Books, 1958.

MLA (9th ed.) Citation

Sprott, Walter John Herbert. Human Groups. Penguin Books, 1958.