Cita APA (7a ed.)

Pighin, M. (1998). An empirical quality measure based on complexity values. [s.n.].

Cita Chicago Style (17a ed.)

Pighin, Maurizio. An Empirical Quality Measure Based on Complexity Values. [S.l.]: [s.n.], 1998.

Cita MLA (9a ed.)

Pighin, Maurizio. An Empirical Quality Measure Based on Complexity Values. [s.n.], 1998.