APA (7th ed.) Citation

Pergamon Press. (1970). Pergamon general psychology series: PGPS. Allyn and Bacon.

Chicago Style (17th ed.) Citation

Pergamon Press. Pergamon General Psychology Series: PGPS. Boston ˜[u.a.]œ: Allyn and Bacon, 1970.

MLA (9th ed.) Citation

Pergamon Press. Pergamon General Psychology Series: PGPS. Allyn and Bacon, 1970.

Warning: These citations may not always be 100% accurate.