Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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