Cita APA (7th ed.)

Gervis, M. H. (1991). A bibliography of the pearl oysters (Bivalvia: Pteriidae). Overseas Development Administration of the United Kingdom.

Cita Chicago (17th ed.)

Gervis, M. H. A Bibliography of the Pearl Oysters (Bivalvia: Pteriidae). London: Overseas Development Administration of the United Kingdom, 1991.

Cita MLA (9th ed.)

Gervis, M. H. A Bibliography of the Pearl Oysters (Bivalvia: Pteriidae). Overseas Development Administration of the United Kingdom, 1991.