(1998). Ulrich's international periodicals directory 1998: Including irregular serials & annuals (36th ed.). Bowker.
Chicago Style (17th ed.) CitationUlrich's International Periodicals Directory 1998: Including Irregular Serials & Annuals. 36th ed. New Jersey: Bowker, 1998.
MLA (9th ed.) CitationUlrich's International Periodicals Directory 1998: Including Irregular Serials & Annuals. 36th ed. Bowker, 1998.
Warning: These citations may not always be 100% accurate.