APA (7th ed.) Citation

Hedlund, T. (1914). Sorbus norwegica Hedl. nov. nomen ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Hedlund, T. Sorbus Norwegica Hedl. Nov. Nomen. [Sonderdr.]. 1914.

MLA (9th ed.) Citation

Hedlund, T. Sorbus Norwegica Hedl. Nov. Nomen. [Sonderdr.]. 1914.

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