Eckert, Lyons, & Strevell. (1950). Directed Experiments in Chemistry. College Entrance Book Company.
Cita Chicago Style (17a ed.)Eckert, Lyons, y Strevell. Directed Experiments in Chemistry. New York: College Entrance Book Company, 1950.
Cita MLA (9a ed.)Eckert, et al. Directed Experiments in Chemistry. College Entrance Book Company, 1950.
Precaución: Estas citas no son 100% exactas.