Friddell, C., & Baddeley, E. (2021). Grace Banker and her Hello Girls answer the call: The heroic story of WWI telephone operators (First edition.). Calkins Creek, an imprint of Boyds Mills & Kane.
Chicago Style (17th ed.) CitationFriddell, Claudia, and Elizabeth Baddeley. Grace Banker and Her Hello Girls Answer the Call: The Heroic Story of WWI Telephone Operators. First edition. New York: Calkins Creek, an imprint of Boyds Mills & Kane, 2021.
MLA (8th ed.) CitationFriddell, Claudia, and Elizabeth Baddeley. Grace Banker and Her Hello Girls Answer the Call: The Heroic Story of WWI Telephone Operators. First edition. Calkins Creek, an imprint of Boyds Mills & Kane, 2021.
Warning: These citations may not always be 100% accurate.