APA (7th ed.) Citation

pseud, S. C. M. (2011). Mister Gregory. Porto Editora.

Chicago Style (17th ed.) Citation

pseud, Sveva Casati Modignani. Mister Gregory. Porto Editora, 2011.

MLA (8th ed.) Citation

pseud, Sveva Casati Modignani. Mister Gregory. Porto Editora, 2011.

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