APA (7th ed.) Citation

Barbu, Z. (1960). Problems of historical psychology. Routledge & Kegan Paul.

Chicago Style (17th ed.) Citation

Barbu, Zevedei. Problems of Historical Psychology. london: Routledge & Kegan Paul, 1960.

MLA (8th ed.) Citation

Barbu, Zevedei. Problems of Historical Psychology. Routledge & Kegan Paul, 1960.

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