APA (7th ed.) Citation

Ivančo, V., Kubín, K., & Kostolný, K. (2000). Program Cosmos/M. Elfa.

Chicago Style (17th ed.) Citation

Ivančo, Vladimír, Karol Kubín, and Karol Kostolný. Program Cosmos/M. Košice: Elfa, 2000.

MLA (9th ed.) Citation

Ivančo, Vladimír, et al. Program Cosmos/M. Elfa, 2000.