Cita APA (7a ed.)

Kippenhah, R. (1987). Light from the Depths of Time. Springer-Verlag.

Cita Chicago Style (17a ed.)

Kippenhah, Rudolf. Light from the Depths of Time. London: Springer-Verlag, 1987.

Cita MLA (9a ed.)

Kippenhah, Rudolf. Light from the Depths of Time. Springer-Verlag, 1987.