APA (7th ed.) Citation

Denner, B. W. (1989). An approximate model for the performance and acoustic predictions of counterrotating propeller configurations. [publisher not identified].

Chicago Style (17th ed.) Citation

Denner, Brett William. An Approximate Model for the Performance and Acoustic Predictions of Counterrotating Propeller Configurations. [Place of publication not identified]: [publisher not identified], 1989.

MLA (9th ed.) Citation

Denner, Brett William. An Approximate Model for the Performance and Acoustic Predictions of Counterrotating Propeller Configurations. [publisher not identified], 1989.