APA (7th ed.) Citation

Darwin, C. (1851). A monograph on the fossil lepadidae, or, pedunculated Cirripedes of Great Britain. Palaeontographical Society.

Chicago Style (17th ed.) Citation

Darwin, Charles. A Monograph on the Fossil Lepadidae, or, Pedunculated Cirripedes of Great Britain. London: Palaeontographical Society, 1851.

MLA (9th ed.) Citation

Darwin, Charles. A Monograph on the Fossil Lepadidae, or, Pedunculated Cirripedes of Great Britain. Palaeontographical Society, 1851.

Warning: These citations may not always be 100% accurate.