Cita APA (7th ed.)

Joyce, D. (1995). The Plant guide. Conran Octopus.

Cita Chicago (17th ed.)

Joyce, David. The Plant Guide. London: Conran Octopus, 1995.

Cita MLA (9th ed.)

Joyce, David. The Plant Guide. Conran Octopus, 1995.

Atenció: Aquestes cites poden no estar 100% correctes.