Cita APA (7a ed.)

(19). Life skills: A course in applied problem solving. Training Research and Development Station [u.a.].

Cita Chicago Style (17a ed.)

Life Skills: A Course in Applied Problem Solving. Prince Albert, Saskatchewan, Ca: Training Research and Development Station [u.a.], 19.

Cita MLA (9a ed.)

Life Skills: A Course in Applied Problem Solving. Training Research and Development Station [u.a.], 19.