Cita APA (7th ed.)
Elsbree, L., & Mulderig, G. P. (1986). The Heath handbook (11th ed.). D.C. Heath.
Cita Chicago (17th ed.)
Elsbree, Langdon, i Gerald P. Mulderig. The Heath Handbook. 11th ed. Lexington, Mass.: D.C. Heath, 1986.
Cita MLA (9th ed.)
Elsbree, Langdon, i Gerald P. Mulderig. The Heath Handbook. 11th ed. D.C. Heath, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.