APA Citatie

Murphy, B., & Brendan Murphy; Damian Nance. (1999). Earth science today. Pacific Grove, Calif: Brooks/Cole.

Chicago Style citaat

Murphy, Brendan, en Brendan Murphy; Damian Nance. Earth Science Today. Pacific Grove, Calif: Brooks/Cole, 1999.

MLA citatie

Murphy, Brendan, en Brendan Murphy; Damian Nance. Earth Science Today. Pacific Grove, Calif: Brooks/Cole, 1999.

Let op: Deze citaties zijn niet altijd 100% accuraat.