APA (7. basım) Alıntı

Butt, A. A. (1966). Late oligocene foraminifera from Escornebeou, SW France. Schotanus & Jens.

Chicago Style (17. basım) Atıf

Butt, Aftab Ahmad. Late Oligocene Foraminifera from Escornebeou, SW France. Utrecht: Schotanus & Jens, 1966.

MLA (8th ed.) Atıf

Butt, Aftab Ahmad. Late Oligocene Foraminifera from Escornebeou, SW France. Schotanus & Jens, 1966.