APA (7th ed.) Citation

Grimes, K., & Boyle, A. Aký má vesmír tvar?

Chicago Style (17th ed.) Citation

Grimes, Ken, and Alison Boyle. Aký Má Vesmír Tvar?

MLA (9th ed.) Citation

Grimes, Ken, and Alison Boyle. Aký Má Vesmír Tvar?

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