APA (7th ed.) Citation

Pickering, W. R. (1990). Information sources in pharmaceuticals. Bowker-Saur.

Chicago Style (17th ed.) Citation

Pickering, W. R. Information Sources in Pharmaceuticals. London ; Melbourne: Bowker-Saur, 1990.

MLA (8th ed.) Citation

Pickering, W. R. Information Sources in Pharmaceuticals. Bowker-Saur, 1990.