Cita APA (7a ed.)

Howes, F. (1949). Vegetable gums and resins. Chronica Botanica Company.

Cita Chicago Style (17a ed.)

Howes, F.N. Vegetable Gums and Resins. Waltham: Chronica Botanica Company, 1949.

Cita MLA (8a ed.)

Howes, F.N. Vegetable Gums and Resins. Chronica Botanica Company, 1949.