APA (7th ed.) Citation

Thomson, K. P. B., Jerome, J., & MacPhail, H. W. (1974). A simple colour meter for limnological studies. Inland Waters Directorate, Canada Centre for Inland Waters.

Chicago Style (17th ed.) Citation

Thomson, K. P. B., J. Jerome, and H. W. MacPhail. A Simple Colour Meter for Limnological Studies. Burlington, Ont.: Inland Waters Directorate, Canada Centre for Inland Waters, 1974.

MLA (9th ed.) Citation

Thomson, K. P. B., et al. A Simple Colour Meter for Limnological Studies. Inland Waters Directorate, Canada Centre for Inland Waters, 1974.