APA (7th ed.) Citation

Blum, L. A. (1980). Friendship, altruism and morality. Routledge & K. Paul.

Chicago Style (17th ed.) Citation

Blum, Lawrence A. Friendship, Altruism and Morality. London ; Boston: Routledge & K. Paul, 1980.

MLA (9th ed.) Citation

Blum, Lawrence A. Friendship, Altruism and Morality. Routledge & K. Paul, 1980.