APA (7th ed.) Citation

Gulruchsór & Čižmárik, R. Vesmír srdca.

Chicago Style (17th ed.) Citation

Gulruchsór and Rudolf Čižmárik. Vesmír Srdca.

MLA (9th ed.) Citation

Gulruchsór and Rudolf Čižmárik. Vesmír Srdca.

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