quotationist
/kwə(ʊ)ˈteɪʃ(ə)nɪst/ /kwə(ʊ)ˈteɪʃənɪst/noun
A person who habitually uses quotations; (Literary Criticism ) a writer whose work makes reference or allusion to the past.
Origin
Mid 17th century; earliest use found in John Milton (1608–1674), poet and polemicist. From quotation + -ist.