APA (7th ed.) Citation

Hartmann, W. L. (1971). Introduction to the cultivation of orchids. Ed. Fournier.

Chicago Style (17th ed.) Citation

Hartmann, Walter L. Introduction to the Cultivation of Orchids. Mèxico: Ed. Fournier, 1971.

MLA (9th ed.) Citation

Hartmann, Walter L. Introduction to the Cultivation of Orchids. Ed. Fournier, 1971.