APA (7th ed.) Citation

Grześczak, M., & Kovalčík, V. Poslanie.

Chicago Style (17th ed.) Citation

Grześczak, Marian, and Vlastimil Kovalčík. Poslanie.

MLA (9th ed.) Citation

Grześczak, Marian, and Vlastimil Kovalčík. Poslanie.

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