APA (7th ed.) Citation

Horn, T. D., & Otto, H. J. (1954). Spelling Instruction: A Curriculum. University of Texas.

Chicago Style (17th ed.) Citation

Horn, Thomas D., and H. J. Otto. Spelling Instruction: A Curriculum. Austin: University of Texas, 1954.

MLA (9th ed.) Citation

Horn, Thomas D., and H. J. Otto. Spelling Instruction: A Curriculum. University of Texas, 1954.

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