APA (7th ed.) Citation

Loyd, S. (2008). Os enigmas de Sam Loyd. RBA.

Chicago Style (17th ed.) Citation

Loyd, Sam. Os Enigmas De Sam Loyd. RBA, 2008.

MLA (8th ed.) Citation

Loyd, Sam. Os Enigmas De Sam Loyd. RBA, 2008.

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