APA (7th ed.) Citation

Wiesner, D. (1988). Free fall. Harper Collins Publishers.

Chicago Style (17th ed.) Citation

Wiesner, David. Free Fall. New York, NY: Harper Collins Publishers, 1988.

MLA (9th ed.) Citation

Wiesner, David. Free Fall. Harper Collins Publishers, 1988.

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