Cita APA (7a ed.)

Blalock, H. M. (1970). An introduction to Social research. Prentice-Hall.

Cita Chicago Style (17a ed.)

Blalock, Hubert M. An Introduction to Social Research. New Jersey: Prentice-Hall, 1970.

Cita MLA (8a ed.)

Blalock, Hubert M. An Introduction to Social Research. Prentice-Hall, 1970.