APA (7 वां संस्करण) प्रशस्ति पत्र

Cunningham, W. P., & Saigo, B. W. (1995). Environmental science: A global concern (3rd ed.). Wm. C. Brown Publishers.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Cunningham, William P., और Barbara Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Dubuque, IA: Wm. C. Brown Publishers, 1995.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Cunningham, William P., और Barbara Woodworth Saigo. Environmental Science: A Global Concern. 3rd ed. Wm. C. Brown Publishers, 1995.