Cita APA

Davis, P. H., & Heywood, V. H. (1965). Principles of angiosperm taxonomy. Oliver & Boyd.

Citación estilo Chicago

Davis, P. H., and V. H. Heywood. Principles of Angiosperm Taxonomy. Edinburgh: Oliver & Boyd, 1965.

Cita MLA

Davis, P. H., and V. H. Heywood. Principles of Angiosperm Taxonomy. Edinburgh: Oliver & Boyd, 1965.