Cita APA (7a ed.)

Essa, E. (1999). Introduction to early childhood education (3rd ed.). Delmar.

Cita Chicago Style (17a ed.)

Essa, Eva. Introduction to Early Childhood Education. 3rd ed. Albany, N.Y: Delmar, 1999.

Cita MLA (9a ed.)

Essa, Eva. Introduction to Early Childhood Education. 3rd ed. Delmar, 1999.