APA citiranje

Howell, D. J., & Burch, D. (1973). Food habits of some Costa Rican bats.

Citación estilo Chicago

Howell, D. J., y Derek Burch. Food Habits of Some Costa Rican Bats. 1973.

MLA citiranje

Howell, D. J., y Derek Burch. Food Habits of Some Costa Rican Bats. 1973.