Lader, L., & Meltzer, M. (1969). Margaret Sanger; pioneer of birth control. T. Y. Crowell.
Cita Chicago (17th ed.)Lader, Lawrence, i Milton Meltzer. Margaret Sanger; Pioneer of Birth Control. New York: T. Y. Crowell, 1969.
Cita MLA (9th ed.)Lader, Lawrence, i Milton Meltzer. Margaret Sanger; Pioneer of Birth Control. T. Y. Crowell, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.