APA aipamena

Ronan, C. (1971). Discovering the universe: A history of astronomy. Basic Books.

Chicago Style aipamena

Ronan, C.A. Discovering the Universe: A History of Astronomy. New York: Basic Books, 1971.

MLA aipamena

Ronan, C.A. Discovering the Universe: A History of Astronomy. Basic Books, 1971.