Cita APA (7a ed.)

Erdtman, G., & Humbert, H. (1952). Pollen morphology and plant taxonomy: Angiosperms [an introduction to Palynology I]. Chronica Botanica.

Cita Chicago Style (17a ed.)

Erdtman, G., y H. Humbert. Pollen Morphology and Plant Taxonomy: Angiosperms [an Introduction to Palynology I]. Waltham: Chronica Botanica, 1952.

Cita MLA (8a ed.)

Erdtman, G., y H. Humbert. Pollen Morphology and Plant Taxonomy: Angiosperms [an Introduction to Palynology I]. Chronica Botanica, 1952.