An educational theory model:
(SIGGS), an integration of set theory, information theory, and graph theory with general systems theory
[by] Elizabeth Steiner Maccia [and others]
APA Citation
Maccia, E. Steiner. (1965). An educational theory model: (SIGGS), an integration of set theory, information theory, and graph theory with general systems theory. Columbus.
MLA Citation
Maccia, Elizabeth Steiner. An Educational Theory Model: (SIGGS), an Integration of Set Theory, Information Theory, And Graph Theory With General Systems Theory. Columbus, 1965.
Warning: These citations may not always be complete (especially for serials).