APA
National Botanical Gardens; Lucknow, . (1959). Ervatamia. : .
Chicago
National Botanical Gardens; Lucknow, . 1959. Ervatamia. : .
Harvard
National Botanical Gardens; Lucknow, . (1959). Ervatamia. : .
MLA
National Botanical Gardens; Lucknow, . Ervatamia. : . 1959.