Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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