Cita APA (7a ed.)

American Home Economics Association. (1977). Handbook for metric usage. American Home Economics Association.

Cita Chicago Style (17a ed.)

American Home Economics Association. Handbook for Metric Usage. N.W., Washington: American Home Economics Association, 1977.

Cita MLA (9a ed.)

American Home Economics Association. Handbook for Metric Usage. American Home Economics Association, 1977.