Cita APA (7a ed.)

Ficker, N. T. (1922). Industrial cost-finding. Industrial Extension Institute.

Cita Chicago Style (17a ed.)

Ficker, Nicholas Thiel. Industrial Cost-finding. New York: Industrial Extension Institute, 1922.

Cita MLA (9a ed.)

Ficker, Nicholas Thiel. Industrial Cost-finding. Industrial Extension Institute, 1922.