APA (7th ed.) Citation

British Museum (Natural History) & Phillips, D. (1977). Catalogue of the type and figured specimens of Mesozoic Ammonoidea in the British Museum (Natural History). The Museum.

Chicago Style (17th ed.) Citation

British Museum (Natural History) and D. Phillips. Catalogue of the Type and Figured Specimens of Mesozoic Ammonoidea in the British Museum (Natural History). [London]: The Museum, 1977.

MLA (9th ed.) Citation

British Museum (Natural History) and D. Phillips. Catalogue of the Type and Figured Specimens of Mesozoic Ammonoidea in the British Museum (Natural History). The Museum, 1977.