Cita APA (7th ed.)

Eckert, Lyons, & Strevell. (1950). Directed Experiments in Chemistry. College Entrance Book Company.

Cita Chicago (17th ed.)

Eckert, Lyons, i Strevell. Directed Experiments in Chemistry. New York: College Entrance Book Company, 1950.

Cita MLA (9th ed.)

Eckert, et al. Directed Experiments in Chemistry. College Entrance Book Company, 1950.