Style de citation APA

Bechtel,Helmut. (1981). The manual of cultivated orchid species. Bath press.

Style de citation Chicago

Bechtel,Helmut. The Manual of Cultivated Orchid Species. Great britain: Bath press, 1981.

Style de citation MLA

Bechtel,Helmut. The Manual of Cultivated Orchid Species. Bath press, 1981.

Attention : ces citations peuvent ne pas être correctes à 100%.