Cita APA (7a ed.)

Van der Kroef, J. M. (1967). Culture contact and culture conflict in Western New Guinea. [s.n.].

Cita Chicago Style (17a ed.)

Van der Kroef, Justus Maria. Culture Contact and Culture Conflict in Western New Guinea. [S.l.]: [s.n.], 1967.

Cita MLA (9a ed.)

Van der Kroef, Justus Maria. Culture Contact and Culture Conflict in Western New Guinea. [s.n.], 1967.