APA (7th ed.) Citation

Dobson, M. . [., & Frid, C. (1998). Ecology of aquatic systems. Longman.

Chicago Style (17th ed.) Citation

Dobson, Mike [], and Chris Frid. Ecology of Aquatic Systems. Essex, England: Longman, 1998.

MLA (9th ed.) Citation

Dobson, Mike [], and Chris Frid. Ecology of Aquatic Systems. Longman, 1998.