Cita APA

Williams, G. A., Bolen, M. C., & Doerhoff, R. B. (1973). Physical science (Teachers' edition.). Webster Division, McGraw-Hill.

Chicago Style (17th ed.) Citation

Williams, George Abiah, Max C. Bolen, i Ray B. Doerhoff. Physical Science. Teachers' edition. New York: Webster Division, McGraw-Hill, 1973.

Cita MLA

Williams, George Abiah, et al. Physical Science. Teachers' edition. Webster Division, McGraw-Hill, 1973.