Cita APA

Ellms, J. (1928). Water Purification (2a ed.). New York: McGraw Hill.

Citación estilo Chicago

Ellms, Joseph. Water Purification. 2a ed. New York: McGraw Hill, 1928.

Cita MLA

Ellms, Joseph. Water Purification. 2a ed. New York: McGraw Hill, 1928.