APA (7th ed.) Citation

Edwards, C. A., & Bohlen, P. J. (1996). Biology and ecology of earthworms (3. ed.). Chapman & Hall.

Chicago Style (17th ed.) Citation

Edwards, Clive A., and Patrick J. Bohlen. Biology and Ecology of Earthworms. 3. ed. London [u.a.]: Chapman & Hall, 1996.

MLA (9th ed.) Citation

Edwards, Clive A., and Patrick J. Bohlen. Biology and Ecology of Earthworms. 3. ed. Chapman & Hall, 1996.