APA (7th ed.) Citation

Gardiner, P. (2007). Secret societies: Gardiner's forbidden knowledge. New Page books.

Chicago Style (17th ed.) Citation

Gardiner, Philip. Secret Societies: Gardiner's Forbidden Knowledge. Franklin Lakes, NJ: New Page books, 2007.

MLA (8th ed.) Citation

Gardiner, Philip. Secret Societies: Gardiner's Forbidden Knowledge. New Page books, 2007.

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