APA (7th ed.) Citation
THOMPSON, R. S. (1930). The Effectiveness of modern spelling instruction.
Chicago Style (17th ed.) Citation
THOMPSON, Robert S. The Effectiveness of Modern Spelling Instruction. New York, 1930.
MLA (9th ed.) Citation
THOMPSON, Robert S. The Effectiveness of Modern Spelling Instruction. 1930.
Warning: These citations may not always be 100% accurate.