Cita APA (7th ed.)

Smyth, J. C. (1968). Shells and shellfish. Oliver and Boyd.

Cita Chicago (17th ed.)

Smyth, J. C. Shells and Shellfish. Londres: Oliver and Boyd, 1968.

Cita MLA (9th ed.)

Smyth, J. C. Shells and Shellfish. Oliver and Boyd, 1968.

Atenció: Aquestes cites poden no estar 100% correctes.