Barton, C., & Cummings, T. (2019). Surf's up! (First edition.). Harper, an imprint of HarperCollinsPublishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBarton, Chris, और Troy Cummings. Surf's Up! First edition. New York, NY: Harper, an imprint of HarperCollinsPublishers, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBarton, Chris, और Troy Cummings. Surf's Up! First edition. Harper, an imprint of HarperCollinsPublishers, 2019.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.