Cita APA (7th ed.)

Gilbert, D. (1956). Power and speed in reading. Prentice-Hall.

Cita Chicago (17th ed.)

Gilbert, Doris. Power and Speed in Reading. Englewood Cliffs, N. J: Prentice-Hall, 1956.

Cita MLA (9th ed.)

Gilbert, Doris. Power and Speed in Reading. Prentice-Hall, 1956.