Cita APA

Rummel, R. J., & Rummel, R. J. (1977). Applied factor analysis. Evanston, Ill.: Northwestern University.

Citación estilo Chicago

Rummel, Rudolph J., y Rudolph J. Rummel. Applied Factor Analysis. Evanston, Ill.: Northwestern University, 1977.

Cita MLA

Rummel, Rudolph J., y Rudolph J. Rummel. Applied Factor Analysis. Evanston, Ill.: Northwestern University, 1977.