International code of nomenclature of cultivated plants - 1969

MLA

Gilmour, John Scott Lennox, et al. International Code of Nomenclature of Cultivated Plants - 1969. Utrecht: International Bureau for Plant Taxonomy and Nomenclature of the International Association for Plant Taxonomy, 1969.

APA

Gilmour, J. Scott Lennox, Horne, F. R, Little, E. L, & Stafleu, F. Antonie. (1969). International code of nomenclature of cultivated plants - 1969. Utrecht: International Bureau for Plant Taxonomy and Nomenclature of the International Association for Plant Taxonomy.

Chicago

Gilmour, John Scott Lennox, ed., F. R Horne ed., E. L Little ed., and Frans Antonie Stafleu ed. International Code of Nomenclature of Cultivated Plants - 1969. Utrecht: International Bureau for Plant Taxonomy and Nomenclature of the International Association for Plant Taxonomy, 1969.