APA (7th ed.) Citation

Langdon, D. G. (1972). Interactive instructional designs for individualized learning. Educational Technology Publications.

Chicago Style (17th ed.) Citation

Langdon, Danny G. Interactive Instructional Designs for Individualized Learning. Englewood Cliffs, N.J: Educational Technology Publications, 1972.

MLA (9th ed.) Citation

Langdon, Danny G. Interactive Instructional Designs for Individualized Learning. Educational Technology Publications, 1972.

Warning: These citations may not always be 100% accurate.