SpringerLink (Online service), Drechsel, H., & Zejda, M. (2005). Zdeněk Kopal's Binary Star Legacy. Springer Netherlands.
Chicago Style (17th ed.) CitationSpringerLink (Online service), Horst Drechsel, and Miloslav Zejda. Zdeněk Kopal's Binary Star Legacy. Dordrecht: Springer Netherlands, 2005.
MLA (8th ed.) CitationSpringerLink (Online service), et al. Zdeněk Kopal's Binary Star Legacy. Springer Netherlands, 2005.
Warning: These citations may not always be 100% accurate.