Shepard, R. A. (2017). Now or never!: 54th Massachusetts Infantry's war to end slavery (First edition.). Calkins Creek, An Imprint of Highlights.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रShepard, Ray Anthony. Now or Never!: 54th Massachusetts Infantry's War to End Slavery. First edition. Honesdale, Pennsylvania: Calkins Creek, An Imprint of Highlights, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रShepard, Ray Anthony. Now or Never!: 54th Massachusetts Infantry's War to End Slavery. First edition. Calkins Creek, An Imprint of Highlights, 2017.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.