APA Style

SIGALA, Marianna, GRETZEL, Ulrike, CHRISTOU, Evangelos. (2016). Social Media in Travel, Tourism and Hospitality: Theory, Practice and Cases . New York: Routledge .

Chicago Style

SIGALA, Marianna, GRETZEL, Ulrike, CHRISTOU, Evangelos. Social Media in Travel, Tourism and Hospitality: Theory, Practice and Cases. New York: Routledge , 2016. Text.

MLA Style

SIGALA, Marianna, GRETZEL, Ulrike, CHRISTOU, Evangelos. Social Media in Travel, Tourism and Hospitality: Theory, Practice and Cases. New York: Routledge , 2016. Text.

Turabian Style

SIGALA, Marianna, GRETZEL, Ulrike, CHRISTOU, Evangelos. Social Media in Travel, Tourism and Hospitality: Theory, Practice and Cases. New York: Routledge , 2016. Print.