APA Citatie

Heidmann, J. (1980). Relativistic cosmology: An introduction. Springer-Verlag.

Chicago Style citaat

Heidmann, Jean. Relativistic Cosmology: An Introduction. Berlin: Springer-Verlag, 1980.

MLA citatie

Heidmann, Jean. Relativistic Cosmology: An Introduction. Springer-Verlag, 1980.