APA (7th ed.) Citation

Calvi, M. (2019). Dear George, Dear Mary (First edition.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Calvi, Mary. Dear George, Dear Mary. First edition. New York: St. Martin's Press, 2019.

MLA (9th ed.) Citation

Calvi, Mary. Dear George, Dear Mary. First edition. St. Martin's Press, 2019.