APA (7th ed.) Citation

Flexner, A. (1968). Universities: American, English, German. Oxford U.P.

Chicago Style (17th ed.) Citation

Flexner, Abraham. Universities: American, English, German. London New York [etc.]: Oxford U.P, 1968.

MLA (9th ed.) Citation

Flexner, Abraham. Universities: American, English, German. Oxford U.P, 1968.