Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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