APA (7th ed.) Citation

Blumofe, A. (2001). E-commerce periodical subscription service.

Chicago Style (17th ed.) Citation

Blumofe, Ari. E-commerce Periodical Subscription Service. 2001.

MLA (9th ed.) Citation

Blumofe, Ari. E-commerce Periodical Subscription Service. 2001.

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