APA-Zitierstil (7. Ausg.)

Brooke, M. (1969). A hundred and fifty puzzles in crypt-arithmetic (2.rev.ed.). Dover Publ.

Chicago-Zitierstil (17. Ausg.)

Brooke, Maxey. A Hundred and Fifty Puzzles in Crypt-arithmetic. 2.rev.ed. New York: Dover Publ, 1969.

MLA-Zitierstil (9. Ausg.)

Brooke, Maxey. A Hundred and Fifty Puzzles in Crypt-arithmetic. 2.rev.ed. Dover Publ, 1969.