Cita APA (7th ed.)
Glasser, W. (1969). Schools without failure ([1st ed.].). Harper & Row.
Cita Chicago (17th ed.)
Glasser, William. Schools Without Failure. [1st ed.]. New York: Harper & Row, 1969.
Cita MLA (9th ed.)
Glasser, William. Schools Without Failure. [1st ed.]. Harper & Row, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.