APA

Wilbert J., Sociedad de Ciencias Naturales la Salle, . (1961). The evolution of horticultural systems in native South America causes and consequences : a symposium. Caracas: Sucre.

Chicago

Wilbert Johannes, Sociedad de Ciencias Naturales la Salle, . 1961. The evolution of horticultural systems in native South America causes and consequences : a symposium. Caracas: Sucre.

Harvard

Wilbert J., Sociedad de Ciencias Naturales la Salle, . (1961). The evolution of horticultural systems in native South America causes and consequences : a symposium. Caracas: Sucre.

MLA

Wilbert Johannes, Sociedad de Ciencias Naturales la Salle, . The evolution of horticultural systems in native South America causes and consequences : a symposium. Caracas: Sucre. 1961.