APA

Masner L., Muesebeck C. F. W., . (1968). The types of Proctotrupoidea (Hymenoptera) in the United States National Museum. Washington, D.C: Smithsonian Inst. Pr.

Chicago

Masner Lubomír, Muesebeck Carl F W, . 1968. The types of Proctotrupoidea (Hymenoptera) in the United States National Museum. Washington, D.C: Smithsonian Inst. Pr.

Harvard

Masner L., Muesebeck C. F. W., . (1968). The types of Proctotrupoidea (Hymenoptera) in the United States National Museum. Washington, D.C: Smithsonian Inst. Pr.

MLA

Masner Lubomír, Muesebeck Carl F W, . The types of Proctotrupoidea (Hymenoptera) in the United States National Museum. Washington, D.C: Smithsonian Inst. Pr. 1968.