Cita APA

C. A. Edwards & J. R. Lofty. (1977). Biology of Earthworms. Chapman and hall.

Citación estilo Chicago

C. A. Edwards y J. R. Lofty. Biology of Earthworms. Chapman and hall, 1977.

Cita MLA

C. A. Edwards y J. R. Lofty. Biology of Earthworms. Chapman and hall, 1977.