Mishneh Torah — Negative Mitzvot מצוות לא תעשה, Chapter 7
The full Hebrew text of Mishneh Torah, Negative Mitzvot, Chapter 7, with English translation by Maimonides (Rambam).
שלא להעביר למולך, שנאמר "ומזרעך לא תיתן, להעביר למולך" (ויקרא יח,כא).
Not to offer one's son to Molech, as [Leviticus 18:21] states: "Do not give [any] of your children to offer to Molech."