APA
Pal B. P. others, . (1962). Charophyta. : ICAR, New Delhi.
Chicago
Pal B. P. others, . 1962. Charophyta. : ICAR, New Delhi.
Harvard
Pal B. P. others, . (1962). Charophyta. : ICAR, New Delhi.
MLA
Pal B. P. others, . Charophyta. : ICAR, New Delhi. 1962.