Gaya APA

Malm, H, W, F, L, E. (1961). Essentials of Chemistry in The Laboratory (2). San Francisco: W. H. Freeman and Company.

Gaya MLA

Malm, Harper, W., Frantz,, LLoyd, E.. "Essentials of Chemistry in The Laboratory". 2 San Francisco: W. H. Freeman and Company, 1961. Text.