MLA

Hofmann-Wellenhof, Bernhard, and Helmut Moritz. Physical Geodesy. Springer Vienna, 2006.

APA

Hofmann-Wellenhof, B., & Moritz, H. (2006). Physical Geodesy. Springer Vienna.

Chicago

Hofmann-Wellenhof, Bernhard, and Helmut Moritz. Physical Geodesy. : Springer Vienna, 2006.