APA (7 वां संस्करण) प्रशस्ति पत्र

Duncan, A. F., & Bobo, K. A. (2022). Opal Lee and what it means to be free: The true story of the grandmother of Juneteenth. Tommy Nelson, an imprint of Thomas Nelson.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Duncan, Alice Faye, और Keturah A. Bobo. Opal Lee and What It Means to Be Free: The True Story of the Grandmother of Juneteenth. Nashville, Tennessee: Tommy Nelson, an imprint of Thomas Nelson, 2022.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Duncan, Alice Faye, और Keturah A. Bobo. Opal Lee and What It Means to Be Free: The True Story of the Grandmother of Juneteenth. Tommy Nelson, an imprint of Thomas Nelson, 2022.

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