APA (7th ed.) Citation

Porwoll, P. J. (1978). Negotiating the class size issue. Educational Research Service.

Chicago Style (17th ed.) Citation

Porwoll, Paul J. Negotiating the Class Size Issue. Arlington, Va.: Educational Research Service, 1978.

MLA (9th ed.) Citation

Porwoll, Paul J. Negotiating the Class Size Issue. Educational Research Service, 1978.