APA (7th ed.) Citation

Wright, H. (1952). Palomar, the world's largest telescope (1. print.). MacMillan.

Chicago Style (17th ed.) Citation

Wright, Helen. Palomar, the World's Largest Telescope. 1. print. New York: MacMillan, 1952.

MLA (9th ed.) Citation

Wright, Helen. Palomar, the World's Largest Telescope. 1. print. MacMillan, 1952.