Style de citation APA

Harmer, S., & Shipley, A. (1970). Cambridge natural history: Flatworms etc. Today And Tommorow.

Style de citation Chicago

Harmer, S.F, et A.E Shipley. Cambridge Natural History: Flatworms Etc. New Delhi: Today And Tommorow, 1970.

Style de citation MLA

Harmer, S.F, et A.E Shipley. Cambridge Natural History: Flatworms Etc. Today And Tommorow, 1970.