APA (7th ed.) Citation

Iwatsuki, K. (1963). New or noteworthy ferns from the Tonga Islands ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Iwatsuki, Kunio. New or Noteworthy Ferns from the Tonga Islands. [Sonderdr.]. 1963.

MLA (9th ed.) Citation

Iwatsuki, Kunio. New or Noteworthy Ferns from the Tonga Islands. [Sonderdr.]. 1963.

Warning: These citations may not always be 100% accurate.