APA Alıntı

Edwards, C. A., & Lofty, J. R. (1977). Biology of Earthworms (2.).

Chicago Stili Alıntı

Edwards, C A., ve J R. Lofty. Biology of Earthworms. 2. London, Chapman & hall, 1977.

MLA Alıntı

Edwards, C A., ve J R. Lofty. Biology of Earthworms. 2. 1977.