Cita APA (7th ed.)
Wittenberger, W. (1969). Rechnen in der Chemie. Springer.
Cita Chicago (17th ed.)
Wittenberger, Walter. Rechnen in Der Chemie. Wien, New York: Springer, 1969.
Cita MLA (9th ed.)
Wittenberger, Walter. Rechnen in Der Chemie. Springer, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.