APA

Ripple L., . (1964). Motivation, capacity, and opportunity: studies in casework theory and practice. [Chicago]: School of Social Service Administration, University of Chicago.

Chicago

Ripple Lilian, . 1964. Motivation, capacity, and opportunity: studies in casework theory and practice. [Chicago]: School of Social Service Administration, University of Chicago.

Harvard

Ripple L., . (1964). Motivation, capacity, and opportunity: studies in casework theory and practice. [Chicago]: School of Social Service Administration, University of Chicago.

MLA

Ripple Lilian, . Motivation, capacity, and opportunity: studies in casework theory and practice. [Chicago]: School of Social Service Administration, University of Chicago. 1964.