APA (7th ed.) Citation

Srivastava, R. (1993). Gymnosperms of Sikkim, India. Asia life sciences :the international journal of life sciences..

Chicago Style (17th ed.) Citation

Srivastava, R.C. "Gymnosperms of Sikkim, India." Asia Life Sciences :the International Journal of Life Sciences. 1993.

MLA (9th ed.) Citation

Srivastava, R.C. "Gymnosperms of Sikkim, India." Asia Life Sciences :the International Journal of Life Sciences., 1993.