Cita APA

Krebs, C. J. (1999). Ecological methodology (2. edition.). Menlo Park, Calf.: Addison Wesley Longman.

Citación estilo Chicago

Krebs, Charles J. Ecological Methodology. 2. edition. Menlo Park, Calf.: Addison Wesley Longman, 1999.

Cita MLA

Krebs, Charles J. Ecological Methodology. 2. edition. Menlo Park, Calf.: Addison Wesley Longman, 1999.