APA (7th ed.) Citation

Howard C. Crisp, M., & Meredith P. Richards, P. A 15-year survey of pollen aeroallergens in North Texas. Elsevier.

Chicago Style (17th ed.) Citation

Howard C. Crisp, MD, and PhD Meredith P. Richards. A 15-year Survey of Pollen Aeroallergens in North Texas. Elsevier.

MLA (9th ed.) Citation

Howard C. Crisp, MD, and PhD Meredith P. Richards. A 15-year Survey of Pollen Aeroallergens in North Texas. Elsevier.

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