APA引文

Collison, R. L. (1971). Abstracts and abstracting services. ABC-Clio.

Chicago Style (17th ed.) Citation

Collison, Robert Lewis. Abstracts and Abstracting Services. Santa Brabara, California: ABC-Clio, 1971.

MLA引文

Collison, Robert Lewis. Abstracts and Abstracting Services. ABC-Clio, 1971.