APA (7th ed.) Citation

Kotler, P., Kartajaya, H., Setiawan, I., & Ross, J. (2019). Marketing 4.0 (1st edition.). Ascent Audio.

Chicago Style (17th ed.) Citation

Kotler, Philip, Hermawan Kartajaya, Iwan Setiawan, and Jonathan Ross. Marketing 4.0. 1st edition. Ascent Audio, 2019.

MLA (9th ed.) Citation

Kotler, Philip, et al. Marketing 4.0. 1st edition. Ascent Audio, 2019.