APA (7th ed.) Citation

Wiggin, K. D. S., & Hunt, A. E. (1916). The romance of a Christmas card. Hodder & Stoughton.

Chicago Style (17th ed.) Citation

Wiggin, Kate Douglas Smith, and Alice Ercle Hunt. The Romance of a Christmas Card. London: Hodder & Stoughton, 1916.

MLA (9th ed.) Citation

Wiggin, Kate Douglas Smith, and Alice Ercle Hunt. The Romance of a Christmas Card. Hodder & Stoughton, 1916.