APA (7th ed.) Citation

Lewis, N. (1953). 20 Days to Better Spelling. HarperrRow.

Chicago Style (17th ed.) Citation

Lewis, Norman. 20 Days to Better Spelling. HarperrRow, 1953.

MLA (8th ed.) Citation

Lewis, Norman. 20 Days to Better Spelling. HarperrRow, 1953.

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