APA (7th ed.) Citation

Speden, I. G. (1967). Revision of Syncyclonema (upper cretaceous) and comparison with other small pectinid Bivalves and Entolium. Peabody Museum of Natural History.

Chicago Style (17th ed.) Citation

Speden, Ian G. Revision of Syncyclonema (upper Cretaceous) and Comparison with Other Small Pectinid Bivalves and Entolium. New Haven, Conn: Peabody Museum of Natural History, 1967.

MLA (9th ed.) Citation

Speden, Ian G. Revision of Syncyclonema (upper Cretaceous) and Comparison with Other Small Pectinid Bivalves and Entolium. Peabody Museum of Natural History, 1967.

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