citation index
catalog of citations
Arts and Humanities Citation Index
citation index
Open Ukrainian Citation Index
search engine and database for scientific citations
Social Sciences Citation Index
citation index product of Clarivate Analytics
Korea Citation Index
South Korean citation index
The Zoological Record
index of zoological literature
Chinese Science Citation Database
bibliographic database
A Guide to the Core Journals of China
selected journal directory by Peiking University Library
Science Citation Index
citation database (1964-1996)
Psychological Abstracts
abstract and index periodical for psychology
Chinese Social Sciences Citation Index
citation index published by Nanjing University
Book Citation Index
online scientific citation indexing service