Citazione Stile APA (7a Edizione)

Bernstein, R., & Bernstein, S. (1988). 3000 solved problems in biology. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Bernstein, Ruth, e Stephen Bernstein. 3000 Solved Problems in Biology. New York: McGraw-Hill, 1988.

Citatione MLA (9a ed.)

Bernstein, Ruth, e Stephen Bernstein. 3000 Solved Problems in Biology. McGraw-Hill, 1988.