APA (7th ed.) Citation

Allan, J., Butterworth, J., & Langley, M. S. (1983). A book of beliefs. Lion.

Chicago Style (17th ed.) Citation

Allan, John, John Butterworth, and Myrtle S. Langley. A Book of Beliefs. Tring: Lion, 1983.

MLA (8th ed.) Citation

Allan, John, et al. A Book of Beliefs. Lion, 1983.