Ståhl, B. (1990). Taxonomic studies in the Theophrastaceae. Dept. of Systematic Botany, University of Göteborg.
Style de citation Chicago (17e éd.)Ståhl, Bertil. Taxonomic Studies in the Theophrastaceae. Göteborg, Sweden: Dept. of Systematic Botany, University of Göteborg, 1990.
Style de citation MLA (8e éd.)Ståhl, Bertil. Taxonomic Studies in the Theophrastaceae. Dept. of Systematic Botany, University of Göteborg, 1990.
Attention : ces citations peuvent ne pas être correctes à 100%.