APA
Munn R. E. (. e., Whyte A. (. & Timmerman P. (. (1999). Emerging environmental issues for the 21st century. Nairobi, Kenya: Unep.
Chicago
Munn R E (Ted) ed, Whyte Ann (ed) and Timmerman Peter (ed). 1999. Emerging environmental issues for the 21st century. Nairobi, Kenya: Unep.
Harvard
Munn R. E. (. e., Whyte A. (. and Timmerman P. (. (1999). Emerging environmental issues for the 21st century. Nairobi, Kenya: Unep.
MLA
Munn R E (Ted) ed, Whyte Ann (ed) and Timmerman Peter (ed). Emerging environmental issues for the 21st century. Nairobi, Kenya: Unep. 1999.