APA (7e ed.) Bronvermelding

Klein, U. Individuation and Classification of Plant Materials around 1800: Ursula Klein. Spaces of classification.(2003).

Chicago (17e ed.) Bronvermelding

Klein, Ursula. "Individuation and Classification of Plant Materials Around 1800: Ursula Klein." Spaces of Classification.(2003) .

MLA (8e ed.) Bronvermelding

Klein, Ursula. "Individuation and Classification of Plant Materials Around 1800: Ursula Klein." Spaces of Classification.(2003), .

Let op: Deze citaties zijn niet altijd 100% accuraat.