APA (7th ed.) Citation

Hudec, I., & Hudec, R. SOJUZ 13 a ultrafialová astronomie.

Chicago Style (17th ed.) Citation

Hudec, Ivo, and René Hudec. SOJUZ 13 a Ultrafialová Astronomie.

MLA (9th ed.) Citation

Hudec, Ivo, and René Hudec. SOJUZ 13 a Ultrafialová Astronomie.

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