Citazione Stile APA (7a Edizione)

Metcalfe, C. R., & Chalk, L. (1950). Anatomy of the dicotyledons: Leaves, stem, and wood in relation to taxonomy with notes on economic uses (Vol. 1.). Clarendon Press.

Citazione stile Chigago Style (17a edizione)

Metcalfe, C. R., e L. Chalk. Anatomy of the Dicotyledons: Leaves, Stem, and Wood in Relation to Taxonomy with Notes on Economic Uses. Vol. 1. Oxford: Clarendon Press, 1950.

Citatione MLA (9a ed.)

Metcalfe, C. R., e L. Chalk. Anatomy of the Dicotyledons: Leaves, Stem, and Wood in Relation to Taxonomy with Notes on Economic Uses. Vol. 1. Clarendon Press, 1950.