Eckert, Lyons, & Strevell. (1950). Directed Experiments in Chemistry. College Entrance Book Company.
Цитирование в стиле Чикаго (17-е изд.)Eckert, Lyons, и Strevell. Directed Experiments in Chemistry. New York: College Entrance Book Company, 1950.
Цитирование MLA (9-е изд.)Eckert, et al. Directed Experiments in Chemistry. College Entrance Book Company, 1950.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.