APA (7th ed.) Citation

Hadfield, C., Halgaš, O., & Kováč, M. (2014). Astronautov sprievodca životom na Zemi. Ikar.

Chicago Style (17th ed.) Citation

Hadfield, Chris, Oliver Halgaš, and Miroslav Kováč. Astronautov Sprievodca životom Na Zemi. Bratislava: Ikar, 2014.

MLA (9th ed.) Citation

Hadfield, Chris, et al. Astronautov Sprievodca životom Na Zemi. Ikar, 2014.