Cita APA

Billman, G. E. (2013). Alexander Leaf, MD (1920–2012)—A tribute to a life in physiology and medicine. Frontiers Media S.A.

Chicago Style Citation

Billman, George E. Alexander Leaf, MD (1920–2012)—A Tribute to a Life in Physiology and Medicine. Frontiers Media S.A, 2013.

Cita MLA

Billman, George E. Alexander Leaf, MD (1920–2012)—A Tribute to a Life in Physiology and Medicine. Frontiers Media S.A, 2013.