APA (7th ed.) Citation

Clemens & Cohen. (1999). Ultimate wings: Build airplanes, rockets and other aircraft that really fly! Lowell House.

Chicago Style (17th ed.) Citation

Clemens and Cohen. Ultimate Wings: Build Airplanes, Rockets and Other Aircraft That Really Fly! Lincolnwood: Lowell House, 1999.

MLA (8th ed.) Citation

Clemens and Cohen. Ultimate Wings: Build Airplanes, Rockets and Other Aircraft That Really Fly! Lowell House, 1999.

Warning: These citations may not always be 100% accurate.