Weatherford, C. B., Wood, M., & Graham, D. (2020). Box: Henry Brown mails himself to freedom. Findaway World, LLC.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWeatherford, Carole Boston, Michele Wood, और Dion Graham. Box: Henry Brown Mails Himself to Freedom. Solon, Ohio: Findaway World, LLC, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWeatherford, Carole Boston, et al. Box: Henry Brown Mails Himself to Freedom. Findaway World, LLC, 2020.
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