APA

Trecker H. B., . (1971). Social work administration: principles and practices. New York: Association Press.

Chicago

Trecker Harleigh Bradley, . 1971. Social work administration: principles and practices. New York: Association Press.

Harvard

Trecker H. B., . (1971). Social work administration: principles and practices. New York: Association Press.

MLA

Trecker Harleigh Bradley, . Social work administration: principles and practices. New York: Association Press. 1971.