APA (7th ed.) Citation

Sidonio Apolinar, S., & Anderson, W. B. (1956). Poems ; and Letters. William Heinemann [etc.].

Chicago Style (17th ed.) Citation

Sidonio Apolinar, Santo, and W. B. Anderson. Poems ; and Letters. London [etc.]: William Heinemann [etc.], 1956.

MLA (9th ed.) Citation

Sidonio Apolinar, Santo, and W. B. Anderson. Poems ; and Letters. William Heinemann [etc.], 1956.