APA (7th ed.) Citation

Costello, J. (1988). Mask of treachery / John Costello. Collins.

Chicago Style (17th ed.) Citation

Costello, John. Mask of Treachery / John Costello. London: Collins, 1988.

MLA (9th ed.) Citation

Costello, John. Mask of Treachery / John Costello. Collins, 1988.

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