Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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