APA

scullen h. a., .review of the genus cerceris latreille in mexico and central america(hymenoptera:sphecidae) scullen,herman a. 1st.ed. | .Washington Smithsonian Institution: .

Chicago

scullen herman a, .review of the genus cerceris latreille in mexico and central america(hymenoptera:sphecidae) scullen,herman a. 1st.ed. | .Washington Smithsonian Institution: .

Harvard

scullen h. a., .review of the genus cerceris latreille in mexico and central america(hymenoptera:sphecidae) scullen,herman a. 1st.ed. | .Washington Smithsonian Institution: .

MLA

scullen herman a, .1st.ed. | .Washington Smithsonian Institution: . .