Obourn, E. S., Heiss, E. D., & Montogomery, G. C. (1958). Science in everyday life (2d ed.). Van Nostrand.
Cita Chicago (17th ed.)Obourn, Ellsworth Scott, Elwood D. Heiss, i Gaylord C. Montogomery. Science in Everyday Life. 2d ed. Princeton: Van Nostrand, 1958.
Cita MLA (9th ed.)Obourn, Ellsworth Scott, et al. Science in Everyday Life. 2d ed. Van Nostrand, 1958.
Atenció: Aquestes cites poden no estar 100% correctes.