APA (7th ed.) Citation

Sage Publications. Sage professional paper. Sage Publ.

Chicago Style (17th ed.) Citation

Sage Publications. Sage Professional Paper. Beverly Hills, Calif. [u.a.]: Sage Publ.

MLA (9th ed.) Citation

Sage Publications. Sage Professional Paper. Sage Publ.

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