APA (7th ed.) Citation

Sheff, A. L., & Ingalls, E. (1942). How to write letters for all occasions: Bussiness letters, social letters. The New Home Library.

Chicago Style (17th ed.) Citation

Sheff, Alexander L., and Edna Ingalls. How to Write Letters for All Occasions: Bussiness Letters, Social Letters. Philadelphia: The New Home Library, 1942.

MLA (8th ed.) Citation

Sheff, Alexander L., and Edna Ingalls. How to Write Letters for All Occasions: Bussiness Letters, Social Letters. The New Home Library, 1942.