APA (7th ed.) Citation

Richards, J., & Thompson, I. (1999). Air and flight. Copper Beech Books.

Chicago Style (17th ed.) Citation

Richards, Jon, and Ian Thompson. Air and Flight. Brookfield, Conn: Copper Beech Books, 1999.

MLA (9th ed.) Citation

Richards, Jon, and Ian Thompson. Air and Flight. Copper Beech Books, 1999.