Horský, Z., & Škopová, O. (1968). Astronomy gnomonics: A catalogue of instruments of the 15th to the 19th centuries in the collections of the National Technical Museum, Prague.
Chicago Style (17th ed.) CitationHorský, Zdeněk, and Otilie Škopová. Astronomy Gnomonics: A Catalogue of Instruments of the 15th to the 19th Centuries in the Collections of the National Technical Museum, Prague. Prague, 1968.
MLA (9th ed.) CitationHorský, Zdeněk, and Otilie Škopová. Astronomy Gnomonics: A Catalogue of Instruments of the 15th to the 19th Centuries in the Collections of the National Technical Museum, Prague. 1968.
Warning: These citations may not always be 100% accurate.