APA Style
Cunningham, W, P, C, ;, M, A. (2015).
Principles of Environmental Science: Inquiry and Applications (7th Edition).
New York:
McGraw‑Hill Education.
MLA Style
Cunningham, William, P., Cunningham, ;, Mary, Ann.
"Principles of Environmental Science: Inquiry and Applications".
7th Edition
New York:
McGraw‑Hill Education,
2015.
BOOK.