APA

Waal F. d., . (1996). Good natured. Cambridge: Harvard University Press.

Chicago

Waal Frans de, . 1996. Good natured. Cambridge: Harvard University Press.

Harvard

Waal F. d., . (1996). Good natured. Cambridge: Harvard University Press.

MLA

Waal Frans de, . Good natured. Cambridge: Harvard University Press. 1996.