APA (7th ed.) Citation

Husen, T., & Postlethwaite, T. N. (1990). The International encyclopedia of education: Research and studies. Pergamon Press.

Chicago Style (17th ed.) Citation

Husen, Torsten, and T. Neville Postlethwaite. The International Encyclopedia of Education: Research and Studies. Oxford ; New York: Pergamon Press, 1990.

MLA (9th ed.) Citation

Husen, Torsten, and T. Neville Postlethwaite. The International Encyclopedia of Education: Research and Studies. Pergamon Press, 1990.