APA Style
Perplexing Puzzles Cryptic Challenge and Remarkable Riddles. ().
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Parragon.
Chicago Style
Perplexing Puzzles Cryptic Challenge and Remarkable Riddles.
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:
Parragon,
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Text.
MLA Style
Perplexing Puzzles Cryptic Challenge and Remarkable Riddles.
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:
Parragon,
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Text.
Turabian Style
Perplexing Puzzles Cryptic Challenge and Remarkable Riddles.
:
Parragon,
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Print.