APA (7e ed.) Bronvermelding

Todd, C. (1931). Easier motherhood; a discussion of the abolition of needless pain. The John Day company.

Chicago (17e ed.) Bronvermelding

Todd, Constance. Easier Motherhood; a Discussion of the Abolition of Needless Pain. New York: The John Day company, 1931.

MLA (8e ed.) Bronvermelding

Todd, Constance. Easier Motherhood; a Discussion of the Abolition of Needless Pain. The John Day company, 1931.