APA (7th ed.) Citation

Sage Publications. (2016). Corey Phelps defines extramural sources of knowledge. SAGE Publications Ltd.

Chicago Style (17th ed.) Citation

Sage Publications. Corey Phelps Defines Extramural Sources of Knowledge. London, United Kingdom: SAGE Publications Ltd, 2016.

MLA (9th ed.) Citation

Sage Publications. Corey Phelps Defines Extramural Sources of Knowledge. SAGE Publications Ltd, 2016.

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