Cita APA

Piaget, J. (1973). Main trends in psychology. G Allen & Unwin.

Chicago Edition Citation

Piaget, Jean. Main Trends in Psychology. G Allen & Unwin, 1973.

Cita MLA

Piaget, Jean. Main Trends in Psychology. G Allen & Unwin, 1973.

Atenció: Aquestes cites poden no estar 100% correctes.