APA
Frommer A., . (1980). Europe on a day. 1979/80. New York: Simon and Schuster.
Chicago
Frommer Arthur, . 1980. Europe on a day. 1979/80. New York: Simon and Schuster.
Harvard
Frommer A., . (1980). Europe on a day. 1979/80. New York: Simon and Schuster.
MLA
Frommer Arthur, . Europe on a day. 1979/80. New York: Simon and Schuster. 1980.