Cita APA (7th ed.)

Steinke, A. E., & Xavier, R. (1987). Marie Curie and the discovery of radium. Barron's.

Cita Chicago (17th ed.)

Steinke, Ann E., i Roger Xavier. Marie Curie and the Discovery of Radium. New York: Barron's, 1987.

Cita MLA (9th ed.)

Steinke, Ann E., i Roger Xavier. Marie Curie and the Discovery of Radium. Barron's, 1987.