APA (7th ed.) Citation

O'Callagham, D. B. (1987). Roosevelt and the United States (1. publ., 14. impr.). Longman.

Chicago Style (17th ed.) Citation

O'Callagham, D. B. Roosevelt and the United States. 1. publ., 14. impr. Burnt Mill [u.a.]: Longman, 1987.

MLA (9th ed.) Citation

O'Callagham, D. B. Roosevelt and the United States. 1. publ., 14. impr. Longman, 1987.