APA (7th ed.) Citation

Kirkpatrick, P. A., & Pugh, P. R. (1984). Siphonophores and velellids: Keys and notes for the identification of the species. The Linnean Society of London.

Chicago Style (17th ed.) Citation

Kirkpatrick, P. A., and P. R. Pugh. Siphonophores and Velellids: Keys and Notes for the Identification of the Species. Londres: The Linnean Society of London, 1984.

MLA (9th ed.) Citation

Kirkpatrick, P. A., and P. R. Pugh. Siphonophores and Velellids: Keys and Notes for the Identification of the Species. The Linnean Society of London, 1984.