APA (7th ed.) Citation

Trumbull, J. H. (1870). On the best method of studying the American languages. [publisher not identified].

Chicago Style (17th ed.) Citation

Trumbull, J. Hammond. On the Best Method of Studying the American Languages. [Place of publication not identified]: [publisher not identified], 1870.

MLA (9th ed.) Citation

Trumbull, J. Hammond. On the Best Method of Studying the American Languages. [publisher not identified], 1870.