APA (7th ed.) Citation
Spellman, F. R., & Stoudt, M. L. (2013). Environmental science: Principles and practices. Scarecrow Press, Inc..
Chicago Style (17th ed.) Citation
Spellman, Frank R., and Melissa L. Stoudt. Environmental Science: Principles and Practices. Lanham, MD: Scarecrow Press, Inc., 2013.
MLA (9th ed.) Citation
Spellman, Frank R., and Melissa L. Stoudt. Environmental Science: Principles and Practices. Scarecrow Press, Inc., 2013.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.