APA (7th ed.) Citation

Snelling, T., & Waddington, C. (2015). Whither pertussis? Expert Reviews Ltd.

Chicago Style (17th ed.) Citation

Snelling, Thomas, and C. Waddington. Whither Pertussis? Expert Reviews Ltd, 2015.

MLA (9th ed.) Citation

Snelling, Thomas, and C. Waddington. Whither Pertussis? Expert Reviews Ltd, 2015.

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