Cita APA (7a ed.)

BERNSTEIN, R., & BERNSTEIN, S. (1982). Biology: The study of life. Harcourt Brace Jovanovich.

Cita Chicago Style (17a ed.)

BERNSTEIN, Ruth, y Stephen BERNSTEIN. Biology: The Study of Life. New York: Harcourt Brace Jovanovich, 1982.

Cita MLA (9a ed.)

BERNSTEIN, Ruth, y Stephen BERNSTEIN. Biology: The Study of Life. Harcourt Brace Jovanovich, 1982.