Cita APA

Ruth Bernstein. (1996). Biology. Dubuque, Iowa: C Brown Publisher.

Chicago Style Citation

Ruth Bernstein. Biology. Dubuque, Iowa: C Brown Publisher, 1996.

Cita MLA

Ruth Bernstein. Biology. Dubuque, Iowa: C Brown Publisher, 1996.

Atenció: Aquestes cites poden no estar 100% correctes.