Strand in kleuren (het).

MLA

Postma, W.P, and H Kleyn. Strand In Kleuren (het). Amsterdam: J.M. Meulenhoff, 1957.

APA

Postma, W., & Kleyn, H. (1957). Strand in kleuren (het). Amsterdam: J.M. Meulenhoff.

Chicago

Postma, W.P., and H Kleyn. Strand In Kleuren (het). Amsterdam: J.M. Meulenhoff, 1957.