APA (7th ed.) Citation

Penguin books. (1995). Gilgamesh and Enkidu. Penguin books.

Chicago Style (17th ed.) Citation

Penguin books. Gilgamesh and Enkidu. New York [etc.]: Penguin books, 1995.

MLA (9th ed.) Citation

Penguin books. Gilgamesh and Enkidu. Penguin books, 1995.