Cita APA (7th ed.)

Northouse, P. G. (2012). Introduction to leadership: Concepts and practice (2nd ed.). SAGE Publications.

Cita Chicago (17th ed.)

Northouse, Peter Guy. Introduction to Leadership: Concepts and Practice. 2nd ed. Thousand Oaks, Calif.: SAGE Publications, 2012.

Cita MLA (8th ed.)

Northouse, Peter Guy. Introduction to Leadership: Concepts and Practice. 2nd ed. SAGE Publications, 2012.