APA (7e ed.) Bronvermelding

Leffingwell, A. (1914). An ethical problem: Or, Sidelights upon scientific experimentation on man and animals. G. Bell and Sons; C.P. Farrell.

Chicago (17e ed.) Bronvermelding

Leffingwell, Albert. An Ethical Problem: Or, Sidelights upon Scientific Experimentation on Man and Animals. London, New York: G. Bell and Sons; C.P. Farrell, 1914.

MLA (8e ed.) Bronvermelding

Leffingwell, Albert. An Ethical Problem: Or, Sidelights upon Scientific Experimentation on Man and Animals. G. Bell and Sons; C.P. Farrell, 1914.