Cita APA (7a ed.)

Fischer & Porter Company. (1975). Tri-Flat Variable area flowmeter: Iow flow rate indicators. Fischer & Porter Company.

Cita Chicago Style (17a ed.)

Fischer & Porter Company. Tri-Flat Variable Area Flowmeter: Iow Flow Rate Indicators. Pennsylvania: Fischer & Porter Company, 1975.

Cita MLA (8a ed.)

Fischer & Porter Company. Tri-Flat Variable Area Flowmeter: Iow Flow Rate Indicators. Fischer & Porter Company, 1975.