APA
STEPHEN WEARING S. S., .ECOTOURISM : TRANSITIONING TO THE 22ND CENTURY, 3RD EDITION. : T&F/Routledge.
Chicago
STEPHEN WEARING STEPHEN SCHWEINSBERG, .ECOTOURISM : TRANSITIONING TO THE 22ND CENTURY, 3RD EDITION. : T&F/Routledge.
Harvard
STEPHEN WEARING S. S., .ECOTOURISM : TRANSITIONING TO THE 22ND CENTURY, 3RD EDITION. : T&F/Routledge.
MLA
STEPHEN WEARING STEPHEN SCHWEINSBERG, .: T&F/Routledge. .