APA (7th ed.) Citation

Learner, R. (1981). Astronomy through the telescope. Van Nostrand Reinhold.

Chicago Style (17th ed.) Citation

Learner, Richard. Astronomy Through the Telescope. New York: Van Nostrand Reinhold, 1981.

MLA (9th ed.) Citation

Learner, Richard. Astronomy Through the Telescope. Van Nostrand Reinhold, 1981.

Warning: These citations may not always be 100% accurate.