APA (7th ed.) Citation

Brown, S. (1975). All about telescopes (2. ed.). Scientific Co.

Chicago Style (17th ed.) Citation

Brown, Sam. All About Telescopes. 2. ed. Barrington, NJ: Scientific Co, 1975.

MLA (9th ed.) Citation

Brown, Sam. All About Telescopes. 2. ed. Scientific Co, 1975.