Cita APA (7a ed.)

Erdtman, G. (1943). An introduction to pollen analysis. Chronica Botánica Company.

Cita Chicago Style (17a ed.)

Erdtman, G. An Introduction to Pollen Analysis. Waltham, Massachusetts: Chronica Botánica Company, 1943.

Cita MLA (8a ed.)

Erdtman, G. An Introduction to Pollen Analysis. Chronica Botánica Company, 1943.