APA (7th ed.) Citation

Lennon, J., Davies, H., & Wilusz, T. (2012). John Lennon: Listy. Prószyński Media.

Chicago Style (17th ed.) Citation

Lennon, John, Hunter Davies, and Tomasz Wilusz. John Lennon: Listy. Warszawa: Prószyński Media, 2012.

MLA (9th ed.) Citation

Lennon, John, et al. John Lennon: Listy. Prószyński Media, 2012.