Cita APA (7th ed.)

Barnard, J. A. (1968). Modern methods of chemical analysis. John Wiley and Sons.

Cita Chicago (17th ed.)

Barnard, J. A. Modern Methods of Chemical Analysis. New York: John Wiley and Sons, 1968.

Cita MLA (9th ed.)

Barnard, J. A. Modern Methods of Chemical Analysis. John Wiley and Sons, 1968.