Cita APA

Payne-Gaposchkin, C. H. 1., & Haramundanis, K. (1970). Introduction to astronomy (2. edition.). Englewood Cliffs, New Jersey: Prentice Hall, Inc..

Citación estilo Chicago

Payne-Gaposchkin, Cecilia Helena 1900-1979, y Katherine Haramundanis. Introduction to Astronomy. 2. edition. Englewood Cliffs, New Jersey: Prentice Hall, Inc., 1970.

Cita MLA

Payne-Gaposchkin, Cecilia Helena 1900-1979, y Katherine Haramundanis. Introduction to Astronomy. 2. edition. Englewood Cliffs, New Jersey: Prentice Hall, Inc., 1970.