APA (7th ed.) Citation

Pressat, R., Grebenik, E., & Sym, C. A. M. (1974). A workbook in demography. Methuen.

Chicago Style (17th ed.) Citation

Pressat, Roland, Eugene Grebenik, and Cecilia Agnes Melvill Sym. A Workbook in Demography. London: Methuen, 1974.

MLA (9th ed.) Citation

Pressat, Roland, et al. A Workbook in Demography. Methuen, 1974.