APA (7th ed.) Citation

Fowler, H. W. (1945). Fishes of Chile: Systematic catalog. El Imparcial.

Chicago Style (17th ed.) Citation

Fowler, Henry W. Fishes of Chile: Systematic Catalog. Santiago: El Imparcial, 1945.

MLA (9th ed.) Citation

Fowler, Henry W. Fishes of Chile: Systematic Catalog. El Imparcial, 1945.