APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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