APA

Dassanayake M. D., Fosberg F. R., Trimen H., University of Peradeniya, Sri Lanka & Smithsonian Institution. (1980). A Revised handbook to the flora of Ceylon. New Delhi: Published for the Smithsonian Institution, and the National Science Foundation, Washington, D.C., by Amerind Pub. Co.

Chicago

Dassanayake M D, Fosberg F Raymond, Trimen Henry, University of Peradeniya, Sri Lanka and Smithsonian Institution. 1980. A Revised handbook to the flora of Ceylon. New Delhi: Published for the Smithsonian Institution, and the National Science Foundation, Washington, D.C., by Amerind Pub. Co.

Harvard

Dassanayake M. D., Fosberg F. R., Trimen H., University of Peradeniya, Sri Lanka and Smithsonian Institution. (1980). A Revised handbook to the flora of Ceylon. New Delhi: Published for the Smithsonian Institution, and the National Science Foundation, Washington, D.C., by Amerind Pub. Co.

MLA

Dassanayake M D, Fosberg F Raymond, Trimen Henry, University of Peradeniya, Sri Lanka and Smithsonian Institution. A Revised handbook to the flora of Ceylon. New Delhi: Published for the Smithsonian Institution, and the National Science Foundation, Washington, D.C., by Amerind Pub. Co. 1980.