APA (7th ed.) Citation

Doyal, L., & Gough, I. (1991). A theory of human need. Guilford Press.

Chicago Style (17th ed.) Citation

Doyal, Len, and Ian Gough. A Theory of Human Need. New York: Guilford Press, 1991.

MLA (8th ed.) Citation

Doyal, Len, and Ian Gough. A Theory of Human Need. Guilford Press, 1991.