Swan, S. H., & Colino, S. (2021). Count down: How our modern world is threatening sperm counts, altering male and female reproductive development, and imperiling the future of the human race (First Scribner hardcover edition.). Scribner.
Cita Chicago Style (17a ed.)Swan, Shanna H., y Stacey Colino. Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race. First Scribner hardcover edition. New York: Scribner, 2021.
Cita MLA (8a ed.)Swan, Shanna H., y Stacey Colino. Count Down: How Our Modern World Is Threatening Sperm Counts, Altering Male and Female Reproductive Development, and Imperiling the Future of the Human Race. First Scribner hardcover edition. Scribner, 2021.