Lua APA (7ú heag.)

Willey, A. (1894). Amphioxus and the ancestry of the vertebrates. Macmillan.

Lua i Stíl Chicago (17ú heag.)

Willey, Arthur. Amphioxus and the Ancestry of the Vertebrates. New York, London: Macmillan, 1894.

Lua MLA (8ú heag.)

Willey, Arthur. Amphioxus and the Ancestry of the Vertebrates. Macmillan, 1894.

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