APA (7th ed.) Citation

Halas, F., Rúfus, M., & Kellenberger, M. Jastrab.

Chicago Style (17th ed.) Citation

Halas, František, Milan Rúfus, and Martin Kellenberger. Jastrab.

MLA (9th ed.) Citation

Halas, František, et al. Jastrab.

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