APA (7th ed.) Citation

(1990). Mid-Cretaceous ammonites of Nigeria: New amphisbaenians from Kenya ; English Wealden Equisetales ; Faringdon Sponge Gravel Bryozoa. British Museum (Natural History).

Chicago Style (17th ed.) Citation

Mid-Cretaceous Ammonites of Nigeria: New Amphisbaenians from Kenya ; English Wealden Equisetales ; Faringdon Sponge Gravel Bryozoa. London: British Museum (Natural History), 1990.

MLA (9th ed.) Citation

Mid-Cretaceous Ammonites of Nigeria: New Amphisbaenians from Kenya ; English Wealden Equisetales ; Faringdon Sponge Gravel Bryozoa. British Museum (Natural History), 1990.