Cita APA (7th ed.)

Coombes, A. J. (1992). Trees. Dorling Kindersley.

Cita Chicago (17th ed.)

Coombes, Allen J. Trees. New York: Dorling Kindersley, 1992.

Cita MLA (9th ed.)

Coombes, Allen J. Trees. Dorling Kindersley, 1992.