Cita APA (7th ed.)

Iversen, G. R. (1972). Statistics and sociology. The Bobbes-Merrill.

Cita Chicago (17th ed.)

Iversen, Gudmund R. Statistics and Sociology. Nueva York: The Bobbes-Merrill, 1972.

Cita MLA (9th ed.)

Iversen, Gudmund R. Statistics and Sociology. The Bobbes-Merrill, 1972.