APA (7th ed.) Citation

Hein, G. W., & Landau, H. A contribution to 3D-operational geodesy. Akad. [u.a.].

Chicago Style (17th ed.) Citation

Hein, Günter W., and Herbert Landau. A Contribution to 3D-operational Geodesy. München: Akad. [u.a.].

MLA (9th ed.) Citation

Hein, Günter W., and Herbert Landau. A Contribution to 3D-operational Geodesy. Akad. [u.a.].