Cita APA

Sprague, E., & Sprague, C. (1926). How to design greeting cards. Bridgman.

Citación estilo Chicago

Sprague, Elizabeth, and Curtiss Sprague. How to Design Greeting Cards. Pelham, N.Y: Bridgman, 1926.

Cita MLA

Sprague, Elizabeth, and Curtiss Sprague. How to Design Greeting Cards. Bridgman, 1926.

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