APA (7th ed.) Citation

Gaskin, C. (1965). The file on Delvin. Collins.

Chicago Style (17th ed.) Citation

Gaskin, Catherine. The File on Delvin. London: Collins, 1965.

MLA (9th ed.) Citation

Gaskin, Catherine. The File on Delvin. Collins, 1965.

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