APA (7th ed.) Citation

Riddell, W. R. (1927). At the Murderer's Touch.

Chicago Style (17th ed.) Citation

Riddell, William Renwick. At the Murderer's Touch. 1927.

MLA (9th ed.) Citation

Riddell, William Renwick. At the Murderer's Touch. 1927.

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