APA (7th ed.) Citation

Ellefsen, D. (1985). Automated Periodical Reference Service.

Chicago Style (17th ed.) Citation

Ellefsen, David. Automated Periodical Reference Service. 1985.

MLA (9th ed.) Citation

Ellefsen, David. Automated Periodical Reference Service. 1985.

Warning: These citations may not always be 100% accurate.