APA citiranje

Grímsson, F., van Valkenburg, J. L., Wieringa, J. J., Xafis, A., Jacobs, B. F., & Zetter, R. (2018). Pollen morphology of the African Sclerosperma (Arecaceae). Grana.

Citação norma Chicago

Grímsson, Friðgeir, Johan L.C.H van Valkenburg, Jan J. Wieringa, Alexandros Xafis, Bonnie F. Jacobs, and Reinhard Zetter. "Pollen Morphology of the African Sclerosperma (Arecaceae)." Grana 2018.

MLA citiranje

Grímsson, Friðgeir, et al. "Pollen Morphology of the African Sclerosperma (Arecaceae)." Grana 2018.