APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

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

MLA (9th ed.) Citation

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