APA (7th ed.) Citation

Clymer, E., & Quackenbush, R. (1968). Horatio (1st Alladin ed.). Atheneum.

Chicago Style (17th ed.) Citation

Clymer, Eleanor, and Robert Quackenbush. Horatio. 1st Alladin ed. [New York?]: Atheneum, 1968.

MLA (9th ed.) Citation

Clymer, Eleanor, and Robert Quackenbush. Horatio. 1st Alladin ed. Atheneum, 1968.