Two classical comedies:
The birds,
by Aristophanes [and] The brothers Menaechmus, by Plautus.
APA Citation
Arnott, P. D., Aristophanes. (1958). Two classical comedies: The birds. New York: Appleton-Century-Crofts.
MLA Citation
Arnott, Peter D, and Aristophanes. Two Classical Comedies: The Birds. New York: Appleton-Century-Crofts, 1958.
Warning: These citations may not always be complete (especially for serials).