APA (7th ed.) Citation

Freeman, H. A. (1951). Ecological and systematic study of the Hesperioidea of Texas (Lepidoptera, Rhopalocera, Hesperioidea). Southern Methodist University Press.

Chicago Style (17th ed.) Citation

Freeman, H. A. Ecological and Systematic Study of the Hesperioidea of Texas (Lepidoptera, Rhopalocera, Hesperioidea). Dallas, Tex.: Southern Methodist University Press, 1951.

MLA (9th ed.) Citation

Freeman, H. A. Ecological and Systematic Study of the Hesperioidea of Texas (Lepidoptera, Rhopalocera, Hesperioidea). Southern Methodist University Press, 1951.