APA (7th ed.) Citation

Spezzaferri, S., & Premoli Silva, I. (1991). Planktonic foraminifera of Oligocene sediments from DSDP Hole 77-538A in the Gulf of Mexico. PANGAEA.

Chicago Style (17th ed.) Citation

Spezzaferri, Silvia, and Isabella Premoli Silva. Planktonic Foraminifera of Oligocene Sediments from DSDP Hole 77-538A in the Gulf of Mexico. PANGAEA, 1991.

MLA (9th ed.) Citation

Spezzaferri, Silvia, and Isabella Premoli Silva. Planktonic Foraminifera of Oligocene Sediments from DSDP Hole 77-538A in the Gulf of Mexico. PANGAEA, 1991.

Warning: These citations may not always be 100% accurate.