APA (7th ed.) Citation

Smithsonian Institution & University of Peradeniya, Dept. of Agriculture. (1973). A revised handbook to the flora of Ceylon. University of Ceylon.

Chicago Style (17th ed.) Citation

Smithsonian Institution and Dept. of Agriculture University of Peradeniya. A Revised Handbook to the Flora of Ceylon. Sri Lanka: University of Ceylon, 1973.

MLA (9th ed.) Citation

Smithsonian Institution and Dept. of Agriculture University of Peradeniya. A Revised Handbook to the Flora of Ceylon. University of Ceylon, 1973.