Cita APA (7th ed.)
HACKMAN, W. (1956). The Scatophagidae (Dipt.) of eastern Fennoscandia.
Cita Chicago (17th ed.)
HACKMAN, Walter. The Scatophagidae (Dipt.) of Eastern Fennoscandia. Helsingforsiae, 1956.
Cita MLA (9th ed.)
HACKMAN, Walter. The Scatophagidae (Dipt.) of Eastern Fennoscandia. 1956.
Atenció: Aquestes cites poden no estar 100% correctes.