Cita APA (7a ed.)

Herbst, P. G. (1970). Behavioural worlds: The study of single cases. Social science paperbacks.

Cita Chicago Style (17a ed.)

Herbst, Philip G. "Behavioural Worlds: The Study of Single Cases." Social Science Paperbacks 1970.

Cita MLA (9a ed.)

Herbst, Philip G. "Behavioural Worlds: The Study of Single Cases." Social Science Paperbacks, 1970.