APA (7th ed.) Citation

Bramwell, Done, & Balmford. (2001). Bramwell's helicopter dynamics (2nd ed.). Butterworth-Heinemann.

Chicago Style (17th ed.) Citation

Bramwell, Done, and Balmford. Bramwell's Helicopter Dynamics. 2nd ed. Oxford: Butterworth-Heinemann, 2001.

MLA (8th ed.) Citation

Bramwell, et al. Bramwell's Helicopter Dynamics. 2nd ed. Butterworth-Heinemann, 2001.