Cita APA (7th ed.)

Cleveland, D. B., & Cleveland, A. D. (1990). Introduction to indexing and abstracting (2nd ed.). Libraries Unlimited.

Cita Chicago (17th ed.)

Cleveland, Donald B., i Ana D. Cleveland. Introduction to Indexing and Abstracting. 2nd ed. Englewood, Colo: Libraries Unlimited, 1990.

Cita MLA (9th ed.)

Cleveland, Donald B., i Ana D. Cleveland. Introduction to Indexing and Abstracting. 2nd ed. Libraries Unlimited, 1990.