Cita APA (7th ed.)

Bager, B. (1967). Nature as designer: A botanical art study. Warne.

Cita Chicago (17th ed.)

Bager, Bertel. Nature as Designer: A Botanical Art Study. London: Warne, 1967.

Cita MLA (8th ed.)

Bager, Bertel. Nature as Designer: A Botanical Art Study. Warne, 1967.