Cita APA (7a ed.)

Premoli Silva, I., & McNulty, C. L. (1984). Cretaceous planktonic foraminifera and calpionellids from the Gulf of Mexico. PANGAEA.

Cita Chicago Style (17a ed.)

Premoli Silva, Isabella, y C L. McNulty. Cretaceous Planktonic Foraminifera and Calpionellids from the Gulf of Mexico. PANGAEA, 1984.

Cita MLA (9a ed.)

Premoli Silva, Isabella, y C L. McNulty. Cretaceous Planktonic Foraminifera and Calpionellids from the Gulf of Mexico. PANGAEA, 1984.