Cita APA (7th ed.)

Gross, R. (1977). The lifelong learner. Simon and Schuster.

Cita Chicago (17th ed.)

Gross, Ronald. The Lifelong Learner. New York: Simon and Schuster, 1977.

Cita MLA (9th ed.)

Gross, Ronald. The Lifelong Learner. Simon and Schuster, 1977.