Cita APA (7a ed.)

Jacques, H. E. (1949). Plant families how to know them. WM. C. Brown.

Cita Chicago Style (17a ed.)

Jacques, H. E. Plant Families How to Know Them. Dubuque, Iowa: WM. C. Brown, 1949.

Cita MLA (9a ed.)

Jacques, H. E. Plant Families How to Know Them. WM. C. Brown, 1949.