Cita APA (7th ed.)

American Society for Indexing, Zafran, E. L., & Shapiro, J. (2009). Starting an indexing business (4th ed.). American Society for Indexing, Inc.

Cita Chicago (17th ed.)

American Society for Indexing, Enid L. Zafran, i Joan Shapiro. Starting an Indexing Business. 4th ed. Medford, N.J: American Society for Indexing, Inc, 2009.

Cita MLA (9th ed.)

American Society for Indexing, et al. Starting an Indexing Business. 4th ed. American Society for Indexing, Inc, 2009.