APA (7th ed.) Citation

Holovna astronomichna observatorii͡a (Akademii͡a nauk Ukraïny) & Ukraïnsʹka astronomichna asot͡siat͡sii͡a (Ukraine). Astronomichnyĭ kalendar. Observatorii︠a︡.

Chicago Style (17th ed.) Citation

Holovna astronomichna observatorii͡a (Akademii͡a nauk Ukraïny) and Ukraïnsʹka astronomichna asot͡siat͡sii͡a (Ukraine). Astronomichnyĭ Kalendar. Kyïv: Observatorii︠a︡.

MLA (9th ed.) Citation

Holovna astronomichna observatorii͡a (Akademii͡a nauk Ukraïny) and Ukraïnsʹka astronomichna asot͡siat͡sii͡a (Ukraine). Astronomichnyĭ Kalendar. Observatorii︠a︡.