APA (7th ed.) Citation

De Polnay, P. (1961). Mario. W.H. Allen.

Chicago Style (17th ed.) Citation

De Polnay, Peter. Mario. London: W.H. Allen, 1961.

MLA (8th ed.) Citation

De Polnay, Peter. Mario. W.H. Allen, 1961.

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