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.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Swan, Shanna H., và 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.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Swan, Shanna H., và 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.