APA (7th ed.) Citation

Powys, L., & Brooks, V. W. (1924). Thirteen worthies. Grant Richards.

Chicago Style (17th ed.) Citation

Powys, Llewelyn, and Van Wyck Brooks. Thirteen Worthies. London: Grant Richards, 1924.

MLA (9th ed.) Citation

Powys, Llewelyn, and Van Wyck Brooks. Thirteen Worthies. Grant Richards, 1924.

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