Cita APA (7th ed.)

Cooper, G., & Henderson, B. (2000). Leap of faith: An astronaut's journey into the unknown. HarperCollins Publishers.

Cita Chicago (17th ed.)

Cooper, Gordon, i Bruce Henderson. Leap of Faith: An Astronaut's Journey into the Unknown. New York: HarperCollins Publishers, 2000.

Cita MLA (9th ed.)

Cooper, Gordon, i Bruce Henderson. Leap of Faith: An Astronaut's Journey into the Unknown. HarperCollins Publishers, 2000.