APA (7th ed.) Citation

Seitz, S., Schneider, P., & Ehlers, J. (1994). Light propagation in arbitrary spacetimes and the gravitational lens approximation. Max-Planck-Inst. für Astrophysik.

Chicago Style (17th ed.) Citation

Seitz, Stella, Peter Schneider, and Jürgen Ehlers. Light Propagation in Arbitrary Spacetimes and the Gravitational Lens Approximation. Garching: Max-Planck-Inst. für Astrophysik, 1994.

MLA (9th ed.) Citation

Seitz, Stella, et al. Light Propagation in Arbitrary Spacetimes and the Gravitational Lens Approximation. Max-Planck-Inst. für Astrophysik, 1994.

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