APA (7th ed.) Citation

Boyce, N. (1998). Viagra, drug for impotence, may cause blindness. Today.

Chicago Style (17th ed.) Citation

Boyce, Nell. "Viagra, Drug for Impotence, May Cause Blindness." Today 1998.

MLA (9th ed.) Citation

Boyce, Nell. "Viagra, Drug for Impotence, May Cause Blindness." Today, 1998.

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