Citazione Stile APA (7a Edizione)

Hooghiemstra, H., Bechler, A., & Beug, H. (1987). Isopollen maps for 18,000 years B.P. of the offshore of Northwest Africa: Evidence for paleowind circulation. PANGAEA.

Citazione stile Chigago Style (17a edizione)

Hooghiemstra, Henry, A. Bechler, e Hans-Jürgen Beug. Isopollen Maps for 18,000 Years B.P. of the Offshore of Northwest Africa: Evidence for Paleowind Circulation. PANGAEA, 1987.

Citatione MLA (9a ed.)

Hooghiemstra, Henry, et al. Isopollen Maps for 18,000 Years B.P. of the Offshore of Northwest Africa: Evidence for Paleowind Circulation. PANGAEA, 1987.