Cita APA

Stephen, H., & Israelstam, S. S. (1949). Chemical calculations for first year students (2. ed.). London: Edward Arnold.

Citación estilo Chicago

Stephen, H., and S. S. Israelstam. Chemical Calculations for First Year Students. 2. ed. London: Edward Arnold, 1949.

Cita MLA

Stephen, H., and S. S. Israelstam. Chemical Calculations for First Year Students. 2. ed. London: Edward Arnold, 1949.