Cita APA

Uhlig, H. G., & Uhlig, H. C. (1956). The gray squirrel in West Virginia. Virginia: Conservation Commission of West Virginia.

Citación estilo Chicago

Uhlig, Hans G., y Helen C. Uhlig. The Gray Squirrel in West Virginia. Virginia: Conservation Commission of West Virginia, 1956.

Cita MLA

Uhlig, Hans G., y Helen C. Uhlig. The Gray Squirrel in West Virginia. Virginia: Conservation Commission of West Virginia, 1956.