APA (7th ed.) Citation

Langer, W. L. (1977). In and out of the ivory tower. N. Watson Academic Publications.

Chicago Style (17th ed.) Citation

Langer, William L. In and Out of the Ivory Tower. New York: N. Watson Academic Publications, 1977.

MLA (9th ed.) Citation

Langer, William L. In and Out of the Ivory Tower. N. Watson Academic Publications, 1977.