Cita APA

Sierra Vega, M., & Terán Somaza, M. T. (1987). Organochlorine insecticides in trout, Salmo trutta fario L., taken from four rivers in León, Spain.

Citación estilo Chicago

Sierra Vega, Matilde, y María Teresa Terán Somaza. Organochlorine Insecticides in Trout, Salmo Trutta Fario L., Taken From Four Rivers in León, Spain. 1987.

Cita MLA

Sierra Vega, Matilde, y María Teresa Terán Somaza. Organochlorine Insecticides in Trout, Salmo Trutta Fario L., Taken From Four Rivers in León, Spain. 1987.