APA (7e ed.) Bronvermelding

Não informado. (1976). Systematic Botany. American Society of Plant Taxonomists.

Chicago (17e ed.) Bronvermelding

Não informado. Systematic Botany. Kent, Ohio: American Society of Plant Taxonomists, 1976.

MLA (8e ed.) Bronvermelding

Não informado. Systematic Botany. American Society of Plant Taxonomists, 1976.

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