APA (7th ed.) Citation

West, J. A., & Toonder, J. G. (1973). The case for astrology. Penguin Books.

Chicago Style (17th ed.) Citation

West, John Anthony, and Jan Gerhard Toonder. The Case for Astrology. Baltimore, Md.: Penguin Books, 1973.

MLA (9th ed.) Citation

West, John Anthony, and Jan Gerhard Toonder. The Case for Astrology. Penguin Books, 1973.