Cita APA (7th ed.)

Wheelis, A. (1975). On not knowing how to live. Harper & Row.

Cita Chicago (17th ed.)

Wheelis, Allen. On Not Knowing How to Live. New York: Harper & Row, 1975.

Cita MLA (8th ed.)

Wheelis, Allen. On Not Knowing How to Live. Harper & Row, 1975.