APA (7th ed.) Citation

Buday, G. (1964). The history of the Christmas card. Spring Books.

Chicago Style (17th ed.) Citation

Buday, George. The History of the Christmas Card. London: Spring Books, 1964.

MLA (9th ed.) Citation

Buday, George. The History of the Christmas Card. Spring Books, 1964.

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