Cita APA (7th ed.)

Losoncy, L. E. (1980). You can do It¡ how to encourage yourself. Prentice Hall.

Cita Chicago (17th ed.)

Losoncy, Lewis E. You Can Do It¡ How to Encourage Yourself. Prentice Hall, 1980.

Cita MLA (9th ed.)

Losoncy, Lewis E. You Can Do It¡ How to Encourage Yourself. Prentice Hall, 1980.