Dyfyniad APA

van der Kruit, P. C. (2016). Jacobus Cornelius Kapteyn: Born Investigator of the Heavens. Springer.

Dyfyniad Arddull Chicago

van der Kruit, Pieter C. Jacobus Cornelius Kapteyn: Born Investigator of the Heavens. Springer, 2016.

Dyfyniad MLA

van der Kruit, Pieter C. Jacobus Cornelius Kapteyn: Born Investigator of the Heavens. Springer, 2016.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.