APA (7th ed.) Citation

Sophian, C. (1984). Origins of cognitive skills. Erlbaum.

Chicago Style (17th ed.) Citation

Sophian, Catherine. Origins of Cognitive Skills. Hillsdale, NJ [u.a.]: Erlbaum, 1984.

MLA (9th ed.) Citation

Sophian, Catherine. Origins of Cognitive Skills. Erlbaum, 1984.

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