Woodhead, T. W. (1917). The study of plants an introduction to botany and plant ecology. [sn].
Citazione stile Chigago Style (17a edizione)Woodhead, T W. The Study of Plants an Introduction to Botany and Plant Ecology. Oxford: [sn], 1917.
Citatione MLA (9a ed.)Woodhead, T W. The Study of Plants an Introduction to Botany and Plant Ecology. [sn], 1917.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.