Cita APA (7a ed.)

SpringerLink (Online service), Drechsel, H., & Zejda, M. (2005). Zdenek kopal's binary star legacy. Springer.

Cita Chicago Style (17a ed.)

SpringerLink (Online service), Horst Drechsel, y Miloslav Zejda. Zdenek Kopal's Binary Star Legacy. Dordrecht: Springer, 2005.

Cita MLA (8a ed.)

SpringerLink (Online service), et al. Zdenek Kopal's Binary Star Legacy. Springer, 2005.