APA (7th ed.) Citation

Preuss lhPaul. Secret Passages.

Chicago Style (17th ed.) Citation

Preuss lhPaul. Secret Passages. New York lbAtom Doherty Ass lc1997.

MLA (9th ed.) Citation

Preuss lhPaul. Secret Passages.

Warning: These citations may not always be 100% accurate.