Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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