APA (7th ed.) Citation

Yeates, J. E., Brooks, G. W., & Houbolt, J. C. (1957). Flight and analytical methods for determing the coupled vibration response of tandem helicopters. NACA.

Chicago Style (17th ed.) Citation

Yeates, John E., George W. Brooks, and John C. Houbolt. Flight and Analytical Methods for Determing the Coupled Vibration Response of Tandem Helicopters. Washington: NACA, 1957.

MLA (9th ed.) Citation

Yeates, John E., et al. Flight and Analytical Methods for Determing the Coupled Vibration Response of Tandem Helicopters. NACA, 1957.