APA (7th ed.) Citation

Slater, M., Pavord, I., & Shaw, D. (2016). Step 4: Stick or twist? A review of step 4 asthma therapy. BMJ Publishing Group.

Chicago Style (17th ed.) Citation

Slater, M., I. Pavord, and D. Shaw. Step 4: Stick or Twist? A Review of Step 4 Asthma Therapy. BMJ Publishing Group, 2016.

MLA (9th ed.) Citation

Slater, M., et al. Step 4: Stick or Twist? A Review of Step 4 Asthma Therapy. BMJ Publishing Group, 2016.