(1940). A catalogue of the Plecoptera of the world / Peter Walter Claassen.
Cita Chicago (17th ed.)A Catalogue of the Plecoptera of the World / Peter Walter Claassen. 1940.
Cita MLA (9th ed.)A Catalogue of the Plecoptera of the World / Peter Walter Claassen. 1940.
Atenció: Aquestes cites poden no estar 100% correctes.