Gaya APA

Frantz, H, W., Malm, L, E. (1961). Essentials of chemistry in the laboratory (2nd ed.). San Francisco: W.H Freeman and Company.

Gaya MLA

Frantz, Harper, W.., Malm, Lloyd, E.. "Essentials of chemistry in the laboratory". 2nd ed. San Francisco: W.H Freeman and Company, 1961. Text.