APA (7th ed.) Citation

Donnelly, E. (1981). So long, Grandpa (1st American ed.). Crown Publishers.

Chicago Style (17th ed.) Citation

Donnelly, Elfie. So Long, Grandpa. 1st American ed. New York: Crown Publishers, 1981.

MLA (9th ed.) Citation

Donnelly, Elfie. So Long, Grandpa. 1st American ed. Crown Publishers, 1981.