Cita APA (7th ed.)

Davies, D. (1992). Alliums: The ornamental onions. Timber.

Cita Chicago (17th ed.)

Davies, Dilys. Alliums: The Ornamental Onions. Portland: Timber, 1992.

Cita MLA (9th ed.)

Davies, Dilys. Alliums: The Ornamental Onions. Timber, 1992.