APA (7th ed.) Citation

Keys, C., & Stepniewski, W. (1984). Rotary - wing aerodynamics Τόμος Ι: Basic theories of rotor aerodynamics Τόμος ΙΙ: performance prediction of helicopters. Dover Publications, Inc.

Chicago Style (17th ed.) Citation

Keys, C.N, and W.Z Stepniewski. Rotary - Wing Aerodynamics Τόμος Ι: Basic Theories of Rotor Aerodynamics Τόμος ΙΙ: Performance Prediction of Helicopters. New York: Dover Publications, Inc, 1984.

MLA (8th ed.) Citation

Keys, C.N, and W.Z Stepniewski. Rotary - Wing Aerodynamics Τόμος Ι: Basic Theories of Rotor Aerodynamics Τόμος ΙΙ: Performance Prediction of Helicopters. Dover Publications, Inc, 1984.