APA (7 वां संस्करण) प्रशस्ति पत्र

Merrill, E. D., Clarke, C. B., Hackel, E., & Ridley, H. N. (1904). New or noteworthy Philippine plants. Bureau of Public Print.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Merrill, Elmer Drew, Charles Baron Clarke, Eduard Hackel, और Henry N. Ridley. New or Noteworthy Philippine Plants. Manila: Bureau of Public Print, 1904.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Merrill, Elmer Drew, et al. New or Noteworthy Philippine Plants. Bureau of Public Print, 1904.