APA (7 वां संस्करण) प्रशस्ति पत्र

CROCKETT, J. U., & THE EDITOR OF TIME-LIFE BOOK. (1977). Perennial: (the time-life encyclopaedia of gardening). Time-Life Books.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

CROCKETT, James Underwood, और THE EDITOR OF TIME-LIFE BOOK. Perennial: (the Time-life Encyclopaedia of Gardening). Alexandria: Time-Life Books, 1977.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

CROCKETT, James Underwood, और THE EDITOR OF TIME-LIFE BOOK. Perennial: (the Time-life Encyclopaedia of Gardening). Time-Life Books, 1977.