Citazione APA

Harless, M. M. (1979). Turtles: Perspectives and research.

Stile di citazione Chicago

Harless, Marion; Morlock. Turtles: Perspectives and Research. John Wiley & Sons, New York, 1979.

Citazione MLA

Harless, Marion; Morlock. Turtles: Perspectives and Research. 1979.