Cita APA (7th ed.)

Howard, A. V. (1951). Chamber's dictionary of scientists. E. P. Dutton.

Cita Chicago (17th ed.)

Howard, Arthur V. Chamber's Dictionary of Scientists. New York: E. P. Dutton, 1951.

Cita MLA (9th ed.)

Howard, Arthur V. Chamber's Dictionary of Scientists. E. P. Dutton, 1951.