APA (7th ed.) Citation

Wirtz, B. W. (2019). Digital business models: Concepts, models, and the Alphabet Case Study. Springer.

Chicago Style (17th ed.) Citation

Wirtz, Bernd W. Digital Business Models: Concepts, Models, and the Alphabet Case Study. Cham, Switzerland: Springer, 2019.

MLA (9th ed.) Citation

Wirtz, Bernd W. Digital Business Models: Concepts, Models, and the Alphabet Case Study. Springer, 2019.