Cita APA (7th ed.)

Choo, P. J. (1983). Oyster culture. s.n.].

Cita Chicago (17th ed.)

Choo, P. J. Oyster Culture. [s.l: s.n.], 1983.

Cita MLA (9th ed.)

Choo, P. J. Oyster Culture. s.n.], 1983.