APA

Erickson Steven L, King Brian J, . (1999). Fundamentals of environmental management. New York: John Wiley & Sons, INC.

Chicago

Erickson Steven L, King Brian J, . 1999. Fundamentals of environmental management. New York: John Wiley & Sons, INC.

Harvard

Erickson Steven L, King Brian J, . (1999). Fundamentals of environmental management. New York: John Wiley & Sons, INC.

MLA

Erickson Steven L, King Brian J, . Fundamentals of environmental management. New York: John Wiley & Sons, INC. 1999.