APA (7th ed.) Citation

Alexander, W. H. (1938). Spe Longus, Horace, Ars Poetica 172.

Chicago Style (17th ed.) Citation

Alexander, W. H. Spe Longus, Horace, Ars Poetica 172. 1938.

MLA (9th ed.) Citation

Alexander, W. H. Spe Longus, Horace, Ars Poetica 172. 1938.

Warning: These citations may not always be 100% accurate.