APA (7th ed.) Citation

Williams, C. N., & Lee, D. W. (1976). Modern certificate guides modern biology. Oxford University Press.

Chicago Style (17th ed.) Citation

Williams, C. N., and David W. Lee. Modern Certificate Guides Modern Biology. Kuala Lumpur: Oxford University Press, 1976.

MLA (9th ed.) Citation

Williams, C. N., and David W. Lee. Modern Certificate Guides Modern Biology. Oxford University Press, 1976.