Hoetker, J., Fichtenau, R., & Farr, H. L. K. (1972). Systems, systems approaches, and the teacher. National Council of Teachers of English.
Chicago Style (17th ed.) CitationHoetker, James, Robert Fichtenau, and Helen L. K. Farr. Systems, Systems Approaches, and the Teacher. [Urbana, Ill.]: National Council of Teachers of English, 1972.
MLA (9th ed.) CitationHoetker, James, et al. Systems, Systems Approaches, and the Teacher. National Council of Teachers of English, 1972.
Warning: These citations may not always be 100% accurate.