O'Neal, M. (2022). American Presidents (Fifth edition.). Salem Press, a division of EBSCO Information Services, Inc. and Grey House Publishing, Inc.
Chicago-Zitierstil (17. Ausg.)O'Neal, Michael. American Presidents. Fifth edition. Ipswich, Massachusetts: Salem Press, a division of EBSCO Information Services, Inc. and Grey House Publishing, Inc, 2022.
MLA-Zitierstil (9. Ausg.)O'Neal, Michael. American Presidents. Fifth edition. Salem Press, a division of EBSCO Information Services, Inc. and Grey House Publishing, Inc, 2022.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.