APA (7th ed.) Citation

Pérez-Contreras, M. N., Figueiredo, I., & Macewicz, B. (1992). The spawning frequency of Sardina pilchardus (Walb.), off the Atlantic Iberian coast.

Chicago Style (17th ed.) Citation

Pérez-Contreras, María Nélida, Ivone Figueiredo, and Beverly Macewicz. The Spawning Frequency of Sardina Pilchardus (Walb.), off the Atlantic Iberian Coast. 1992.

MLA (9th ed.) Citation

Pérez-Contreras, María Nélida, et al. The Spawning Frequency of Sardina Pilchardus (Walb.), off the Atlantic Iberian Coast. 1992.