Cita APA (7th ed.)

Franck, I. M., & Brownstone, D. M. (1992). The green encyclopedia. Prentice Hall General Reference.

Cita Chicago (17th ed.)

Franck, Irene M., i David M. Brownstone. The Green Encyclopedia. New York: Prentice Hall General Reference, 1992.

Cita MLA (9th ed.)

Franck, Irene M., i David M. Brownstone. The Green Encyclopedia. Prentice Hall General Reference, 1992.