Cita APA (7a ed.)

Townes, H. (1962). Ichneumon-flies of American North of Mexico. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Townes, Henry. Ichneumon-flies of American North of Mexico. Washington: Smithsonian Institution, 1962.

Cita MLA (9a ed.)

Townes, Henry. Ichneumon-flies of American North of Mexico. Smithsonian Institution, 1962.