APA (7th ed.) Citation

Blackham, H. J. (1965). Objections to humanism. Penguin Books.

Chicago Style (17th ed.) Citation

Blackham, Harold John. Objections to Humanism. England: Penguin Books, 1965.

MLA (9th ed.) Citation

Blackham, Harold John. Objections to Humanism. Penguin Books, 1965.