Cita APA (7a ed.)

(1978). Evaluation and program planning: An international journal. Elsevier.

Cita Chicago Style (17a ed.)

Evaluation and Program Planning: An International Journal. Oxford [u.a.]: Elsevier, 1978.

Cita MLA (9a ed.)

Evaluation and Program Planning: An International Journal. Elsevier, 1978.