APA (7th ed.) Citation

Duma, F., Hallier Willi, C., & Steinmann, C. (2015). The business of luxury. vdf.

Chicago Style (17th ed.) Citation

Duma, Fabio, Christine Hallier Willi, and Cary Steinmann. The Business of Luxury. Zürich: vdf, 2015.

MLA (9th ed.) Citation

Duma, Fabio, et al. The Business of Luxury. vdf, 2015.