Cita APA (7th ed.)

Boucek, Z., & Rasplus, J. (1991). Illustrated key to West-Palearctic genera of Pteromalidae (Hymenoptera: Chalcidoidea). Institut National de la Recherche Agronomique.

Cita Chicago (17th ed.)

Boucek, Z., i Jean-Yves Rasplus. Illustrated Key to West-Palearctic Genera of Pteromalidae (Hymenoptera: Chalcidoidea). Paris: Institut National de la Recherche Agronomique, 1991.

Cita MLA (9th ed.)

Boucek, Z., i Jean-Yves Rasplus. Illustrated Key to West-Palearctic Genera of Pteromalidae (Hymenoptera: Chalcidoidea). Institut National de la Recherche Agronomique, 1991.