APA Style

Wearing, S., Schweinsberg, S. (2019). Ecotourism : transitioning to the 22nd century. Third Edition (Third Edition). London: Routledge.

MLA Style

Wearing, Stephen., Schweinsberg, Stephen. "Ecotourism : transitioning to the 22nd century. Third Edition". Third Edition London: Routledge, 2019. Text.