APA (7 वां संस्करण) प्रशस्ति पत्र

Spears, D. E., & Geruso, M. (2025). After the spike: Population, progress, and the case for people (First Simon & Schuster hardcover edition.). Simon & Schuster.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Spears, Dean E., और Michael Geruso. After the Spike: Population, Progress, and the Case for People. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2025.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Spears, Dean E., और Michael Geruso. After the Spike: Population, Progress, and the Case for People. First Simon & Schuster hardcover edition. Simon & Schuster, 2025.

चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.