APA (7th ed.) Citation

Webster, N., Howe, Z., & Wadsworth, W. (1798). The American spelling book: Containing an easy standard of pronunciation. : Being the first part of A grammatical institute of the English language. In three parts. (The nineteenth Connecticut edition.). Printed by Hudson & Goodwin. (With the privilege of copy-right.).

Chicago Style (17th ed.) Citation

Webster, Noah, Zadoc Howe, and William Wadsworth. The American Spelling Book: Containing an Easy Standard of Pronunciation. : Being the First Part of A Grammatical Institute of the English Language. In Three Parts. The nineteenth Connecticut edition. Hartford: Printed by Hudson & Goodwin. (With the privilege of copy-right.), 1798.

MLA (8th ed.) Citation

Webster, Noah, et al. The American Spelling Book: Containing an Easy Standard of Pronunciation. : Being the First Part of A Grammatical Institute of the English Language. In Three Parts. The nineteenth Connecticut edition. Printed by Hudson & Goodwin. (With the privilege of copy-right.), 1798.

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