APA (7th ed.) Citation

Patterson, D. J. (2003). Free-living freshwater protozoa: A colour guide. ASM.

Chicago Style (17th ed.) Citation

Patterson, David J. Free-living Freshwater Protozoa: A Colour Guide. Washington, D.C: ASM, 2003.

MLA (9th ed.) Citation

Patterson, David J. Free-living Freshwater Protozoa: A Colour Guide. ASM, 2003.