APA

GONZALEZ L. J., . (1993). Psychology of Personal Excellence. Font: México.

Chicago

GONZALEZ Luis Jorge, . 1993. Psychology of Personal Excellence. Font: México.

Harvard

GONZALEZ L. J., . (1993). Psychology of Personal Excellence. Font: México.

MLA

GONZALEZ Luis Jorge, . Psychology of Personal Excellence. Font: México. 1993.