APA-Zitierstil (7. Ausg.)

Fletcher, R. (1968). Instinct in man in the light of recent work in comparative psychology (2. ed.). Unwin.

Chicago-Zitierstil (17. Ausg.)

Fletcher, Ronald. Instinct in Man in the Light of Recent Work in Comparative Psychology. 2. ed. London: Unwin, 1968.

MLA-Zitierstil (9. Ausg.)

Fletcher, Ronald. Instinct in Man in the Light of Recent Work in Comparative Psychology. 2. ed. Unwin, 1968.