APA Style

Höpken, Z, X, �, M, F, G, �, W. (2022). Handbook of e-Tourism . : Springer Nature Switzerland AG.

MLA Style

Höpken, Zheng, Xiang, •, Matthias, Fuchs•Ulrike, Gretzel, •, Wolfram. "Handbook of e-Tourism". : Springer Nature Switzerland AG, 2022. Text.