Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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