APA (7. basım) Alıntı

Laetsch, W. M. (1969). The biological perspective: Introductory readings. Little.

Chicago Style (17. basım) Atıf

Laetsch, Watson M. The Biological Perspective: Introductory Readings. Boston: Little, 1969.

MLA (9th ed.) Atıf

Laetsch, Watson M. The Biological Perspective: Introductory Readings. Little, 1969.