APA (7th ed.) Citation

Villa, G., Sampietro, L., & Whitman, W. (1991). A homage to Walt Whitman, 1892-1992: Drawings. D'Imperio editore.

Chicago Style (17th ed.) Citation

Villa, Guido, Luigi Sampietro, and Walt Whitman. A Homage to Walt Whitman, 1892-1992: Drawings. Novara: D'Imperio editore, 1991.

MLA (9th ed.) Citation

Villa, Guido, et al. A Homage to Walt Whitman, 1892-1992: Drawings. D'Imperio editore, 1991.