APA (7th ed.) Citation

Cassel, G. (1921). The world's monetary problems: Two memoranda. Constable.

Chicago Style (17th ed.) Citation

Cassel, Gustav. The World's Monetary Problems: Two Memoranda. London [etc.]: Constable, 1921.

MLA (9th ed.) Citation

Cassel, Gustav. The World's Monetary Problems: Two Memoranda. Constable, 1921.

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