Cita APA (7th ed.)

Center, S. S., & Persons, G. L. a. (1952). Practices in reading and thinking. The Macmillan company.

Cita Chicago (17th ed.)

Center, Stella S., i Gladys L. author Persons. Practices in Reading and Thinking. New York, New York: The Macmillan company, 1952.

Cita MLA (9th ed.)

Center, Stella S., i Gladys L. author Persons. Practices in Reading and Thinking. The Macmillan company, 1952.