APA (7th ed.) Citation

Tuwim, J., Friedová, L., & Horáčková, J. Keby.

Chicago Style (17th ed.) Citation

Tuwim, Julian, Libuša Friedová, and Jozefína Horáčková. Keby.

MLA (9th ed.) Citation

Tuwim, Julian, et al. Keby.

Warning: These citations may not always be 100% accurate.