Cita APA (7a ed.)

Potter, A. W. R. a., & Robinson, H. (1975). Geology. Macdonald and Evans.

Cita Chicago Style (17a ed.)

Potter, A. W. R. autor, y H. Robinson. Geology. London: Macdonald and Evans, 1975.

Cita MLA (9a ed.)

Potter, A. W. R. autor, y H. Robinson. Geology. Macdonald and Evans, 1975.