Cita APA (7th ed.)

Paley, V. G. (1990). The boy who would be a helicopter. Harvard University Press.

Cita Chicago (17th ed.)

Paley, Vivian Gussin. The Boy Who Would Be a Helicopter. Cambridge, MA: Harvard University Press, 1990.

Cita MLA (9th ed.)

Paley, Vivian Gussin. The Boy Who Would Be a Helicopter. Harvard University Press, 1990.