Cita APA (7a ed.)

Leedale, G. F., Lee, J. J., & Bradbury, P. (2000). An illustrated guide to the protozoa: Organisms traditionally referred to as protozoa, or newly discovered groups (2nd ed.). Society of Protozoologists.

Cita Chicago Style (17a ed.)

Leedale, Gordon F., John J. Lee, y Phyllis Bradbury. An Illustrated Guide to the Protozoa: Organisms Traditionally Referred to as Protozoa, or Newly Discovered Groups. 2nd ed. Lawrence (Kansas): Society of Protozoologists, 2000.

Cita MLA (9a ed.)

Leedale, Gordon F., et al. An Illustrated Guide to the Protozoa: Organisms Traditionally Referred to as Protozoa, or Newly Discovered Groups. 2nd ed. Society of Protozoologists, 2000.