APA (7th ed.) Citation

Patterson, D., & Hedley, S. (1996). Free-living freshwater protozoa: A colour guide. Wiley & Sons.

Chicago Style (17th ed.) Citation

Patterson, D.J, and Stuart Hedley. Free-living Freshwater Protozoa: A Colour Guide. New York [etc.]: Wiley & Sons, 1996.

MLA (9th ed.) Citation

Patterson, D.J, and Stuart Hedley. Free-living Freshwater Protozoa: A Colour Guide. Wiley & Sons, 1996.