APA (7 वां संस्करण) प्रशस्ति पत्र

Johnson, W. H. (1962). This is life: Essays in modern biology. Holt, Rinehart and Winston.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Johnson, Willis H. This Is Life: Essays in Modern Biology. New York: Holt, Rinehart and Winston, 1962.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Johnson, Willis H. This Is Life: Essays in Modern Biology. Holt, Rinehart and Winston, 1962.