APA (7th ed.) Citation

Ehlers, J. (1967). Relativity theory and astrophysics: 2. galactic structure. American Mathematical Society.

Chicago Style (17th ed.) Citation

Ehlers, Jurgen. Relativity Theory and Astrophysics: 2. Galactic Structure. Rhode Island: American Mathematical Society, 1967.

MLA (9th ed.) Citation

Ehlers, Jurgen. Relativity Theory and Astrophysics: 2. Galactic Structure. American Mathematical Society, 1967.

Warning: These citations may not always be 100% accurate.