APA (7th ed.) Citation

Nishiyama, Y. (2013). The mysterious number 6174: One of 30 amazing mathematical topics in daily life. Gendai Sugakusha.

Chicago Style (17th ed.) Citation

Nishiyama, Yutaka. The Mysterious Number 6174: One of 30 Amazing Mathematical Topics in Daily Life. Osaka: Gendai Sugakusha, 2013.

MLA (9th ed.) Citation

Nishiyama, Yutaka. The Mysterious Number 6174: One of 30 Amazing Mathematical Topics in Daily Life. Gendai Sugakusha, 2013.

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