APA (7th ed.) Citation

Bir, S. S. (1962). Chromosome numbers in some Himalayan species of Vittaria ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Bir, Sarmukh Singh. Chromosome Numbers in Some Himalayan Species of Vittaria. [Sonderdr.]. 1962.

MLA (9th ed.) Citation

Bir, Sarmukh Singh. Chromosome Numbers in Some Himalayan Species of Vittaria. [Sonderdr.]. 1962.

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