Citazione Stile APA (7a Edizione)

Bentley, J., & Charlton, B. (1983). Finding out about conservation. Batsford Academic and Educational.

Citazione stile Chigago Style (17a edizione)

Bentley, J.C, e Bill Charlton. Finding Out About Conservation. London: Batsford Academic and Educational, 1983.

Citatione MLA (9a ed.)

Bentley, J.C, e Bill Charlton. Finding Out About Conservation. Batsford Academic and Educational, 1983.