APA Edition Citation

(1977). Ulrich's international periodicals directory[1977-78] (17th ed.). R R Bowker & Co..

Chicago Edition Citation

Ulrich's International Periodicals Directory[1977-78]. 17th ed. New York: R R Bowker & Co., 1977.

MLA Edition Citation

Ulrich's International Periodicals Directory[1977-78]. 17th ed. R R Bowker & Co., 1977.