APA (7th ed.) Citation

Bir, S. (1962). Chromosome Numbers in Some Himalayan Species of Vittaria. Zenodo.

Chicago Style (17th ed.) Citation

Bir, S.S. Chromosome Numbers in Some Himalayan Species of Vittaria. Zenodo, 1962.

MLA (9th ed.) Citation

Bir, S.S. Chromosome Numbers in Some Himalayan Species of Vittaria. Zenodo, 1962.

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