APA (7th ed.) Citation

Wagtendonk. (2006). Principles of helicopter flight (2nd. ed.). Aviation Supplies & Academics.

Chicago Style (17th ed.) Citation

Wagtendonk. Principles of Helicopter Flight. 2nd. ed. Washington: Aviation Supplies & Academics, 2006.

MLA (8th ed.) Citation

Wagtendonk. Principles of Helicopter Flight. 2nd. ed. Aviation Supplies & Academics, 2006.