APA (7th ed.) Citation

De Guzman, L. S. (1992). Introduction to social work. New Day.

Chicago Style (17th ed.) Citation

De Guzman, Leonora S. Introduction to Social Work. Quezon City: New Day, 1992.

MLA (9th ed.) Citation

De Guzman, Leonora S. Introduction to Social Work. New Day, 1992.