APA (7th ed.) Citation

Sagan, P., Deering, J., Ferrari, D., Rizzo, C., & Serra Laura. (2019). My world. Mondadori.

Chicago Style (17th ed.) Citation

Sagan, Peter, John Deering, Dario Ferrari, Chiara Rizzo, and Serra Laura. My World. Milano: Mondadori, 2019.

MLA (9th ed.) Citation

Sagan, Peter, et al. My World. Mondadori, 2019.