APA (7 वां संस्करण) प्रशस्ति पत्र

Keuning, D. (2017). Cooling Down: Case Design uses low-tech climate engineering. MARK.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Keuning, David. "Cooling Down: Case Design Uses Low-tech Climate Engineering." MARK 2017.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Keuning, David. "Cooling Down: Case Design Uses Low-tech Climate Engineering." MARK, 2017.