Cita APA (7th ed.)

SCHAEFER RICHARD T. (1994). SOCIOLOGY: A BRIEF INTRODUCTION. MCGRAW-HILL.

Cita Chicago (17th ed.)

SCHAEFER RICHARD T. SOCIOLOGY: A BRIEF INTRODUCTION. NEW YORK: MCGRAW-HILL, 1994.

Cita MLA (9th ed.)

SCHAEFER RICHARD T. SOCIOLOGY: A BRIEF INTRODUCTION. MCGRAW-HILL, 1994.