APA (7th ed.) Citation

Ashton, H. (1940). The swan of Usk: A historical novel. Collins.

Chicago Style (17th ed.) Citation

Ashton, Helen. The Swan of Usk: A Historical Novel. London: Collins, 1940.

MLA (8th ed.) Citation

Ashton, Helen. The Swan of Usk: A Historical Novel. Collins, 1940.

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