Gardner, E. S. (1970). Owls don't blink. Dell.
Cita Chicago (17th ed.)Gardner, Erle Stanley. Owls Don't Blink. Nueva York: Dell, 1970.
Cita MLA (9th ed.)Gardner, Erle Stanley. Owls Don't Blink. Dell, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.