Cita APA (7th ed.)

Erikson, S. L., & King, B. J. (1999). Fundamentals of environmental management.

Cita Chicago (17th ed.)

Erikson, Steven L., i Brian J. King. Fundamentals of Environmental Management. New YorkbJohn Wiley and Sons, Inc, 1999.

Cita MLA (9th ed.)

Erikson, Steven L., i Brian J. King. Fundamentals of Environmental Management. 1999.