APA (7th ed.) Citation

HORTON, P. B., & HORTON, R. L. (1977). Introductory sociology. Richard D. Irwin.

Chicago Style (17th ed.) Citation

HORTON, Paul B., and Robert L. HORTON. Introductory Sociology. Illinois: Richard D. Irwin, 1977.

MLA (9th ed.) Citation

HORTON, Paul B., and Robert L. HORTON. Introductory Sociology. Richard D. Irwin, 1977.

Warning: These citations may not always be 100% accurate.