APA (7th ed.) Citation

Cachia, C., Mifsud, C., & Sammut, P. M. The marine shelled mollusca of the Maltese Islands. Grima.

Chicago Style (17th ed.) Citation

Cachia, Charles, Constantine Mifsud, and Paul M. Sammut. The Marine Shelled Mollusca of the Maltese Islands. Malta: Grima.

MLA (9th ed.) Citation

Cachia, Charles, et al. The Marine Shelled Mollusca of the Maltese Islands. Grima.