Cita APA

Calkin E., D., & Calkin E., D. (2010). Wildfire risk and hazard: Procedures for the first approximation. Fort Collins, Colorado: United States, Department of Agriculture.

Citación estilo Chicago

Calkin E., David, y David Calkin E. Wildfire Risk and Hazard: Procedures for the First Approximation. Fort Collins, Colorado: United States, Department of Agriculture, 2010.

Cita MLA

Calkin E., David, y David Calkin E. Wildfire Risk and Hazard: Procedures for the First Approximation. Fort Collins, Colorado: United States, Department of Agriculture, 2010.