APA (7th ed.) Citation

Hordern, E. (1986). Sliding piece puzzles / Edward Hordern. Oxford University Press.

Chicago Style (17th ed.) Citation

Hordern, Edward. Sliding Piece Puzzles / Edward Hordern. Oxford: Oxford University Press, 1986.

MLA (9th ed.) Citation

Hordern, Edward. Sliding Piece Puzzles / Edward Hordern. Oxford University Press, 1986.

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