APA (7th ed.) Citation

May, R., Hornowska, E., & Hornowski, T. (1994). Odwaga tworzenia. Rebis.

Chicago Style (17th ed.) Citation

May, Rollo, Ewa Hornowska, and Tomasz Hornowski. Odwaga Tworzenia. Poznań: Rebis, 1994.

MLA (9th ed.) Citation

May, Rollo, et al. Odwaga Tworzenia. Rebis, 1994.