APA (7th ed.) Citation

Bill Douglas Centre & Duff, G. R. (1915). Smart novels. Shurey's Publications.

Chicago Style (17th ed.) Citation

Bill Douglas Centre and G. Roydon Duff. Smart Novels. London: Shurey's Publications, 1915.

MLA (9th ed.) Citation

Bill Douglas Centre and G. Roydon Duff. Smart Novels. Shurey's Publications, 1915.

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