APA (7th ed.) Citation

Clotfelter, B. E. (1976). The universe and its structure. MacGraw-Hill.

Chicago Style (17th ed.) Citation

Clotfelter, Beryl E. The Universe and Its Structure. New York (u.a.): MacGraw-Hill, 1976.

MLA (9th ed.) Citation

Clotfelter, Beryl E. The Universe and Its Structure. MacGraw-Hill, 1976.

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