APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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