Carbocation rearrangements proceed to form more stable carbocations through factors such as hyperconjugation and inductive effects, which is a foundational concept in organic chemistry and requires no citation.
The claim states a fundamental, textbook definition of carbocation stability and rearrangement rules (driving force is formation of more stable carbocations via hyperconjugation and induction). This is common knowledge in chemistry and does not require specific paper citations to verify.