Cita APA

Harwit, M. 1., & Harwit, M. 1. (1988). Astrophysical concepts (2. edition.). New York, New York: Springer-Verlag.

Citación estilo Chicago

Harwit, Martin 1931-, y Martin 1931- Harwit. Astrophysical Concepts. 2. edition. New York, New York: Springer-Verlag, 1988.

Cita MLA

Harwit, Martin 1931-, y Martin 1931- Harwit. Astrophysical Concepts. 2. edition. New York, New York: Springer-Verlag, 1988.