APA (7th ed.) Citation

Warburg, E. F., & Crundwell, A. C. (1965). Tortula vectensis, a new species from the Isle of Wight ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Warburg, Edmund Fredric, and A. C. Crundwell. Tortula Vectensis, a New Species from the Isle of Wight. [Sonderdr.]. 1965.

MLA (9th ed.) Citation

Warburg, Edmund Fredric, and A. C. Crundwell. Tortula Vectensis, a New Species from the Isle of Wight. [Sonderdr.]. 1965.