Cita APA

Cook,Penny A, Bell,James R, & Wheater,C Philip. (2011). Practical field ecology: A project guide. Wiley blackwell.

Chicago Edition Citation

Cook,Penny A, Bell,James R, i Wheater,C Philip. Practical Field Ecology: A Project Guide. UK: Wiley blackwell, 2011.

Cita MLA

Cook,Penny A, et al. Practical Field Ecology: A Project Guide. Wiley blackwell, 2011.