APA (7th ed.) Citation

Weigel, M., & Carnagie, J. L. (1999). U.X.L encyclopedia of biomes. U.X.L.

Chicago Style (17th ed.) Citation

Weigel, Marlene, and Julie L. Carnagie. U.X.L Encyclopedia of Biomes. Detroit: U.X.L, 1999.

MLA (9th ed.) Citation

Weigel, Marlene, and Julie L. Carnagie. U.X.L Encyclopedia of Biomes. U.X.L, 1999.