Cita APA

Friend, J. N. (1961). Man and the chemical elements.. (2. ed.). London: Charles Griffin.

Citación estilo Chicago

Friend, J. Newton. Man and the Chemical Elements.. 2. ed. London: Charles Griffin, 1961.

Cita MLA

Friend, J. Newton. Man and the Chemical Elements.. 2. ed. London: Charles Griffin, 1961.