APA (7th ed.) Citation

Mansfield, K., Godlewska, M., & Koprowski, J. (1978). Listy. Czytelnik.

Chicago Style (17th ed.) Citation

Mansfield, Katherine, Maria Godlewska, and Jan Koprowski. Listy. Warszawa: Czytelnik, 1978.

MLA (9th ed.) Citation

Mansfield, Katherine, et al. Listy. Czytelnik, 1978.