Cita APA (7th ed.)

Porter, A. L., & Fittipaldi, J. J. (1998). Environmental methods review: Retooling impact assessment for the new century. The Press Club.

Cita Chicago (17th ed.)

Porter, Alan L., i John J. Fittipaldi. Environmental Methods Review: Retooling Impact Assessment for the New Century. Fargo, North Dakota: The Press Club, 1998.

Cita MLA (9th ed.)

Porter, Alan L., i John J. Fittipaldi. Environmental Methods Review: Retooling Impact Assessment for the New Century. The Press Club, 1998.