Cita APA (7a ed.)

Bernstein, R. (1988). Schaum's 3000 solved problems in biology. McGraw Hill.

Cita Chicago Style (17a ed.)

Bernstein, Ruth. Schaum's 3000 Solved Problems in Biology. New York: McGraw Hill, 1988.

Cita MLA (9a ed.)

Bernstein, Ruth. Schaum's 3000 Solved Problems in Biology. McGraw Hill, 1988.