APA (7th ed.) Citation

Lekkerkerker, C. G. (1969). Geometry of numbers. Wolters-Noordhoff [u.a.].

Chicago Style (17th ed.) Citation

Lekkerkerker, Cornelis G. Geometry of Numbers. Groningen: Wolters-Noordhoff [u.a.], 1969.

MLA (9th ed.) Citation

Lekkerkerker, Cornelis G. Geometry of Numbers. Wolters-Noordhoff [u.a.], 1969.