MLA

The Art of Azalea, Plants, Colour, Orangery, Landscaping Gardening, Flowers, Floraliën. S.l.: s.n., n.d.

APA

(n.d). The Art of azalea, plants, colour, orangery, landscaping gardening, flowers, Floraliën. S.l.: s.n.

Chicago

The Art of Azalea, Plants, Colour, Orangery, Landscaping Gardening, Flowers, Floraliën. S.l.: s.n., n.d.