Cita APA (7a ed.)

Wittwer, S. H., Head, J. J., & Imrick, A. T. S. (1988). The greenhouse effect. Carolina Biological Supply, Scientific Publications Department.

Cita Chicago Style (17a ed.)

Wittwer, S. H., J. J. Head, y Ann T. S. Imrick. The Greenhouse Effect. Burlington, N.C.: Carolina Biological Supply, Scientific Publications Department, 1988.

Cita MLA (8a ed.)

Wittwer, S. H., et al. The Greenhouse Effect. Carolina Biological Supply, Scientific Publications Department, 1988.