Cita APA

Petterson, R. H., & Gale, D. Fish species asociation in riffle habitat of streams of varying size and acidity in New Brunswick and Nova Scotia.

Citación estilo Chicago

Petterson, R. H., y D. Gale. Fish Species Asociation in Riffle Habitat of Streams of Varying Size and Acidity in New Brunswick and Nova Scotia.

Cita MLA

Petterson, R. H., y D. Gale. Fish Species Asociation in Riffle Habitat of Streams of Varying Size and Acidity in New Brunswick and Nova Scotia.