Cita APA (7a ed.)

Adams, J. (1938). A short guide to canadian genera of seed plants. Department of agriculture.

Cita Chicago Style (17a ed.)

Adams, John. A Short Guide to Canadian Genera of Seed Plants. Ottawa: Department of agriculture, 1938.

Cita MLA (8a ed.)

Adams, John. A Short Guide to Canadian Genera of Seed Plants. Department of agriculture, 1938.