Cita APA (7th ed.)

Arritt, S. (1993). The living earth book of deserts. Readers digest.

Cita Chicago (17th ed.)

Arritt, Susan. The Living Earth Book of Deserts. New york: Readers digest, 1993.

Cita MLA (9th ed.)

Arritt, Susan. The Living Earth Book of Deserts. Readers digest, 1993.