Cita APA (7a ed.)

Udry, J. R. (1971). The social context of marriage (2nd ed.). Lippincott.

Cita Chicago Style (17a ed.)

Udry, J. Richard. The Social Context of Marriage. 2nd ed. Philadelphia: Lippincott, 1971.

Cita MLA (9a ed.)

Udry, J. Richard. The Social Context of Marriage. 2nd ed. Lippincott, 1971.