APA (7th ed.) Citation

British Museum (Nat. Hist.) & Gunther, A. C. L. G. (1964). Catalogue of the fishes in the British Museum. Codicote, Herts.

Chicago Style (17th ed.) Citation

British Museum (Nat. Hist.) and Albert Carl Ludwig Gotthilf Gunther. Catalogue of the Fishes in the British Museum. Wheldon & Wesley: Codicote, Herts, 1964.

MLA (9th ed.) Citation

British Museum (Nat. Hist.) and Albert Carl Ludwig Gotthilf Gunther. Catalogue of the Fishes in the British Museum. Codicote, Herts, 1964.