APA

Powell M., . (1970). FORTRAN subroutine for unconstrained minimization, requiring first derivatives of the objective function. Harwell, Berkshire: Atomic Energy Research Establishment. Report nr AERE-R-6469.

Chicago

Powell MJD, . 1970. FORTRAN subroutine for unconstrained minimization, requiring first derivatives of the objective function. Harwell, Berkshire: Atomic Energy Research Establishment. Report nr AERE-R-6469.

Harvard

Powell M., . (1970). FORTRAN subroutine for unconstrained minimization, requiring first derivatives of the objective function. Harwell, Berkshire: Atomic Energy Research Establishment. Report nr AERE-R-6469.

MLA

Powell MJD, . FORTRAN subroutine for unconstrained minimization, requiring first derivatives of the objective function. Harwell, Berkshire: Atomic Energy Research Establishment. Report nr AERE-R-6469. 1970.