APA (7th ed.) Citation

Zimmermann, C. M. A. (1985). Evaluation of friction loss in flexible and galvanized duct. [publisher not identified].

Chicago Style (17th ed.) Citation

Zimmermann, Carlos Michael Alberto. Evaluation of Friction Loss in Flexible and Galvanized Duct. [Place of publication not identified]: [publisher not identified], 1985.

MLA (9th ed.) Citation

Zimmermann, Carlos Michael Alberto. Evaluation of Friction Loss in Flexible and Galvanized Duct. [publisher not identified], 1985.