APA
National Botanical Gardens; Lucknow, . (1958). Thunbergia. : .
Chicago
National Botanical Gardens; Lucknow, . 1958. Thunbergia. : .
Harvard
National Botanical Gardens; Lucknow, . (1958). Thunbergia. : .
MLA
National Botanical Gardens; Lucknow, . Thunbergia. : . 1958.