In this work we show a result of existence of positive solution for the following nonlocal problem of Kirchhoff typewhere Ω ⊂ R N is a smooth bounded domain, M, f are continuous nonnegative functions and a > 0. By using mainly variational methods, we prove the existence of a solution for a small enough, under two different sets of hypotheses, which generalize the classical superlinear and sublinear problems.