APA (7th ed.) Citation

417061 Tracy, G. R., Tropp, H. E., & Friedl, A. E. (1974). Modern Physical Science. New York : Holt Rinehart and Winston.

Chicago Style (17th ed.) Citation

417061 Tracy, George R., Harry E. Tropp, and Alfred E. Friedl. Modern Physical Science. New York : Holt Rinehart and Winston, 1974.

MLA (9th ed.) Citation

417061 Tracy, George R., et al. Modern Physical Science. New York : Holt Rinehart and Winston, 1974.