APA

Hutchinson (J), . (1973). The Famillies Of Flowering Plants. : .

Chicago

Hutchinson (J), . 1973. The Famillies Of Flowering Plants. : .

Harvard

Hutchinson (J), . (1973). The Famillies Of Flowering Plants. : .

MLA

Hutchinson (J), . The Famillies Of Flowering Plants. : . 1973.