APA (7th ed.) Citation

Webster, N. (2015). The elementary spelling book being an improvement on the American Spelling-book.

Chicago Style (17th ed.) Citation

Webster, Noah. The Elementary Spelling Book Being an Improvement on the American Spelling-book. 2015.

MLA (9th ed.) Citation

Webster, Noah. The Elementary Spelling Book Being an Improvement on the American Spelling-book. 2015.

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