The heir presumptive and the heir apparent.
APA Citation
Oliphant, M. (Margaret). (1892). The heir presumptive and the heir apparent. London: Macmillan.
MLA Citation
Oliphant, Mrs. (Margaret), 1828-1897. The Heir Presumptive And the Heir Apparent. London: Macmillan, 1892.
Warning: These citations may not always be complete (especially for serials).