Cita APA (7a ed.)

Townes, H. (1956). The neartctic species of trigonalid wasps. Smithsonian Institution.

Cita Chicago Style (17a ed.)

Townes, Henry. The Neartctic Species of Trigonalid Wasps. Washington: Smithsonian Institution, 1956.

Cita MLA (8a ed.)

Townes, Henry. The Neartctic Species of Trigonalid Wasps. Smithsonian Institution, 1956.