APA (7th ed.) Citation

Lenhart, V. (2001). Progressive education internationally. International encyclopedia of the social & behavioral sciences ; 18: Pri - Q.

Chicago Style (17th ed.) Citation

Lenhart, Volker. "Progressive Education Internationally." International Encyclopedia of the Social & Behavioral Sciences ; 18: Pri - Q 2001.

MLA (9th ed.) Citation

Lenhart, Volker. "Progressive Education Internationally." International Encyclopedia of the Social & Behavioral Sciences ; 18: Pri - Q, 2001.

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