Cita APA (7a ed.)

Boersma, A., Shackleton, N. J., Hall, M. A., & Given, Q. (1979). Stable carbon and oxygen isotope ratios of foraminifera from Cretaceous and Paleocene sediments. PANGAEA.

Cita Chicago Style (17a ed.)

Boersma, Anne, Nicholas J. Shackleton, Michael A. Hall, y Quentin Given. Stable Carbon and Oxygen Isotope Ratios of Foraminifera from Cretaceous and Paleocene Sediments. PANGAEA, 1979.

Cita MLA (9a ed.)

Boersma, Anne, et al. Stable Carbon and Oxygen Isotope Ratios of Foraminifera from Cretaceous and Paleocene Sediments. PANGAEA, 1979.