APA (7th ed.) Citation

Easterla, D. A. (1973). Ecology of the 18 species of Chiroptera at Big Bend National Park, Texas. Northwest Missouri State University.

Chicago Style (17th ed.) Citation

Easterla, David A. Ecology of the 18 Species of Chiroptera at Big Bend National Park, Texas. Maryville: Northwest Missouri State University, 1973.

MLA (9th ed.) Citation

Easterla, David A. Ecology of the 18 Species of Chiroptera at Big Bend National Park, Texas. Northwest Missouri State University, 1973.