Bartcher, R. L. (1966). Fortran IV program for estimation of cladistic relationship using the IBM 7040. The University of Kansas.
Cita Chicago (17th ed.)Bartcher, Ronald L. Fortran IV Program for Estimation of Cladistic Relationship Using the IBM 7040. Lawrence: The University of Kansas, 1966.
Cita MLA (9th ed.)Bartcher, Ronald L. Fortran IV Program for Estimation of Cladistic Relationship Using the IBM 7040. The University of Kansas, 1966.
Atenció: Aquestes cites poden no estar 100% correctes.