APA (7th ed.) Citation

Adkins, J. (1981). Letterbox: The art & history of letters. Walker.

Chicago Style (17th ed.) Citation

Adkins, Jan. Letterbox: The Art & History of Letters. New York: Walker, 1981.

MLA (9th ed.) Citation

Adkins, Jan. Letterbox: The Art & History of Letters. Walker, 1981.