APA

Ehrendorfer F. e., Dahlgren R., . (1983). New evidence of relationships and modern systems of clasifications of the angiosperms: proceedings of a symposium held on 22 august, 1981, during the XIII International Botanical Congress in Sydney, Australia. [Copenhagen]: [Council for Nordic Publications in Botany].

Chicago

Ehrendorfer Friedrich ed, Dahlgren Randy, . 1983. New evidence of relationships and modern systems of clasifications of the angiosperms: proceedings of a symposium held on 22 august, 1981, during the XIII International Botanical Congress in Sydney, Australia. [Copenhagen]: [Council for Nordic Publications in Botany].

Harvard

Ehrendorfer F. e., Dahlgren R., . (1983). New evidence of relationships and modern systems of clasifications of the angiosperms: proceedings of a symposium held on 22 august, 1981, during the XIII International Botanical Congress in Sydney, Australia. [Copenhagen]: [Council for Nordic Publications in Botany].

MLA

Ehrendorfer Friedrich ed, Dahlgren Randy, . New evidence of relationships and modern systems of clasifications of the angiosperms: proceedings of a symposium held on 22 august, 1981, during the XIII International Botanical Congress in Sydney, Australia. [Copenhagen]: [Council for Nordic Publications in Botany]. 1983.