APA (7th ed.) Citation

May, I., & Dionigi, E. (1953). Grammatica inglese. G. Barbera.

Chicago Style (17th ed.) Citation

May, Isopel, and Emma Dionigi. Grammatica Inglese. Firenze: G. Barbera, 1953.

MLA (9th ed.) Citation

May, Isopel, and Emma Dionigi. Grammatica Inglese. G. Barbera, 1953.

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