APA Edition Citation

Crabtree, A., & Black, R. (2007). Quality assurance and certification in ecotourism. CAB International.

Chicago Edition Citation

Crabtree, Alice, and Rosemary Black. Quality Assurance and Certification in Ecotourism. UK: CAB International, 2007.

MLA Edition Citation

Crabtree, Alice, and Rosemary Black. Quality Assurance and Certification in Ecotourism. CAB International, 2007.

Warning: These citations may not always be 100% accurate.