APA (7th ed.) Citation

Clark, D. L. (1978). Research and development productivity in educational organizations. National Center for Research in Vocational Education.

Chicago Style (17th ed.) Citation

Clark, David L. Research and Development Productivity in Educational Organizations. Columbus, Ohio: National Center for Research in Vocational Education, 1978.

MLA (9th ed.) Citation

Clark, David L. Research and Development Productivity in Educational Organizations. National Center for Research in Vocational Education, 1978.