Cita APA (7a ed.)

Woodhead, T. W. (1917). The study of plants an introduction to botany and plant ecology. [sn].

Cita Chicago Style (17a ed.)

Woodhead, T W. The Study of Plants an Introduction to Botany and Plant Ecology. Oxford: [sn], 1917.

Cita MLA (9a ed.)

Woodhead, T W. The Study of Plants an Introduction to Botany and Plant Ecology. [sn], 1917.