Cita APA

Rolfsen, D. (1976). Knots and links. Berkeley, CA: Publish or Perish.

Chicago Style Citation

Rolfsen, Dale. Knots and Links. Berkeley, CA: Publish or Perish, 1976.

Cita MLA

Rolfsen, Dale. Knots and Links. Berkeley, CA: Publish or Perish, 1976.

Atenció: Aquestes cites poden no estar 100% correctes.