APA (7th ed.) Citation

Firkins, I. (1993). Environmental tolerances of three species of freshwater crayfish.

Chicago Style (17th ed.) Citation

Firkins, Ian. Environmental Tolerances of Three Species of Freshwater Crayfish. 1993.

MLA (9th ed.) Citation

Firkins, Ian. Environmental Tolerances of Three Species of Freshwater Crayfish. 1993.

Warning: These citations may not always be 100% accurate.