Cita APA (7th ed.)

Van Pelt, N. (1997). Heart to heart: The art of communication. Editorial Safeliz.

Cita Chicago (17th ed.)

Van Pelt, Nancy. Heart to Heart: The Art of Communication. Grand Rapids: Editorial Safeliz, 1997.

Cita MLA (9th ed.)

Van Pelt, Nancy. Heart to Heart: The Art of Communication. Editorial Safeliz, 1997.