APA aipamena

Purcell, L. E. (2010). Vice presidents: A biographical dictionary (4th ed.). Facts On File.

Chicago Style aipamena

Purcell, L. Edward. Vice Presidents: A Biographical Dictionary. 4th ed. New York: Facts On File, 2010.

MLA aipamena

Purcell, L. Edward. Vice Presidents: A Biographical Dictionary. 4th ed. Facts On File, 2010.