APA

Loewenberg F. M., . (1977). Fundamentals of social intervention: core concepts and skills for social work practice. New York: Columbia University Press.

Chicago

Loewenberg Frank M, . 1977. Fundamentals of social intervention: core concepts and skills for social work practice. New York: Columbia University Press.

Harvard

Loewenberg F. M., . (1977). Fundamentals of social intervention: core concepts and skills for social work practice. New York: Columbia University Press.

MLA

Loewenberg Frank M, . Fundamentals of social intervention: core concepts and skills for social work practice. New York: Columbia University Press. 1977.