APA (7th ed.) Citation

Williams, B. (1989). Pioneers of flight. Cherrytree Books.

Chicago Style (17th ed.) Citation

Williams, Brian. Pioneers of Flight. Avon: Cherrytree Books, 1989.

MLA (9th ed.) Citation

Williams, Brian. Pioneers of Flight. Cherrytree Books, 1989.

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