APA (7e ed.) Bronvermelding

Ståhl, B. (1990). Taxonomic studies in the Theophrastaceae. Dept. of Systematic Botany, University of Göteborg.

Chicago (17e ed.) Bronvermelding

Ståhl, Bertil. Taxonomic Studies in the Theophrastaceae. Göteborg, Sweden: Dept. of Systematic Botany, University of Göteborg, 1990.

MLA (8e ed.) Bronvermelding

Ståhl, Bertil. Taxonomic Studies in the Theophrastaceae. Dept. of Systematic Botany, University of Göteborg, 1990.