Cita APA (7th ed.)

Sleigh, M. A. (1973). The biology of protozoa. Edward Arnold Publishers.

Cita Chicago (17th ed.)

Sleigh, Michael A. The Biology of Protozoa. London: Edward Arnold Publishers, 1973.

Cita MLA (9th ed.)

Sleigh, Michael A. The Biology of Protozoa. Edward Arnold Publishers, 1973.