Cita APA

Ayer, J., & Burrows, N. (2006). Acne: More than skin deep. BMJ Group.

Chicago Style Citation

Ayer, J., i N. Burrows. Acne: More Than Skin Deep. BMJ Group, 2006.

Cita MLA

Ayer, J., i N. Burrows. Acne: More Than Skin Deep. BMJ Group, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.