APA

Thir International Congress on Education in Botanic Gardens, . (1996). Thir international congress on education in Botanic Gardens. New York: Botanic Garden.

Chicago

Thir International Congress on Education in Botanic Gardens, . 1996. Thir international congress on education in Botanic Gardens. New York: Botanic Garden.

Harvard

Thir International Congress on Education in Botanic Gardens, . (1996). Thir international congress on education in Botanic Gardens. New York: Botanic Garden.

MLA

Thir International Congress on Education in Botanic Gardens, . Thir international congress on education in Botanic Gardens. New York: Botanic Garden. 1996.