APA (7th ed.) Citation

Sewell, R. B. S. (1971). The free-swimming planktonic copepoda. British Museum.

Chicago Style (17th ed.) Citation

Sewell, R. B. Seymour. The Free-swimming Planktonic Copepoda. London, U.K: British Museum, 1971.

MLA (9th ed.) Citation

Sewell, R. B. Seymour. The Free-swimming Planktonic Copepoda. British Museum, 1971.

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