Cita APA

North, J. (1995). The Norton history of Astronomy and cosmology. New York: W.W.Norton & Company.

Citación estilo Chicago

North, John. The Norton History of Astronomy and Cosmology. New York: W.W.Norton & Company, 1995.

Cita MLA

North, John. The Norton History of Astronomy and Cosmology. New York: W.W.Norton & Company, 1995.