Citação APA (7ª ed.)
Hpken, W., Gretzel, U., & Law, R. (2009). Information and Communication Technologies in Tourism 2009: Proceedings of the International Conference in Amsterdam, The Netherlands, 2009. Springer Vienna. https://doi.org/10.1007/978-3-211-93971-0
Citação do estilo Chicago (17ª ed.)
Hpken, Wolfram, Ulrike Gretzel, e Rob Law. Information and Communication Technologies in Tourism 2009: Proceedings of the International Conference in Amsterdam, The Netherlands, 2009. Vienna: Springer Vienna, 2009. https://doi.org/10.1007/978-3-211-93971-0.
Citação MLA (9ª ed.)
Hpken, Wolfram, et al. Information and Communication Technologies in Tourism 2009: Proceedings of the International Conference in Amsterdam, The Netherlands, 2009. Springer Vienna, 2009. https://doi.org/10.1007/978-3-211-93971-0.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.