APA Citatie

Roberts, T. R. (1991). Systematic revision of the Asian catfish family Pangasiidae with biological observations and decriptions of three new species. U.S.A: Proceedings f the Academy of Nature Science of Philadelphia.

Chicago Style citaat

Roberts, Tyson R. Systematic Revision of the Asian Catfish Family Pangasiidae With Biological Observations and Decriptions of Three New Species. U.S.A: Proceedings f the Academy of Nature Science of Philadelphia, 1991.

MLA citatie

Roberts, Tyson R. Systematic Revision of the Asian Catfish Family Pangasiidae With Biological Observations and Decriptions of Three New Species. U.S.A: Proceedings f the Academy of Nature Science of Philadelphia, 1991.

Let op: Deze citaties zijn niet altijd 100% accuraat.