Cita APA (7th ed.)

Freedman, R., Wright, W., & Wright, O. (1991). The Wright brothers: How they invented the airplane. Scholastic.

Cita Chicago (17th ed.)

Freedman, Russell, Wilbur Wright, i Orville Wright. The Wright Brothers: How They Invented the Airplane. New York: Scholastic, 1991.

Cita MLA (9th ed.)

Freedman, Russell, et al. The Wright Brothers: How They Invented the Airplane. Scholastic, 1991.