MLA

Gurfil, Pini; Seidelmann, P. Kenneth, and P. Kenneth Seidelmann. Celestial Mechanics and Astrodynamics: Theory and Practice. Springer Berlin Heidelberg, 2016.

APA

Gurfil, P. Kenneth, & Seidelmann, P. Kenneth. (2016). Celestial Mechanics and Astrodynamics: Theory and Practice. Springer Berlin Heidelberg.

Chicago

Gurfil, Pini; Seidelmann, P. Kenneth, and P. Kenneth Seidelmann. Celestial Mechanics and Astrodynamics: Theory and Practice. : Springer Berlin Heidelberg, 2016.