Bright, D. E. (1976). Lectotype Designations for Various Species of North American Pityophthorus Eichhoff (Coleoptera: Scolytidae). Zenodo.
Cita Chicago (17th ed.)Bright, Donald E. Lectotype Designations for Various Species of North American Pityophthorus Eichhoff (Coleoptera: Scolytidae). Zenodo, 1976.
Cita MLA (9th ed.)Bright, Donald E. Lectotype Designations for Various Species of North American Pityophthorus Eichhoff (Coleoptera: Scolytidae). Zenodo, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.