Metro Rosario CDMX:

Go to the station El Rosario anden E
Yellow trucks "Lizards"
Sign "Tepotzotlán"
Buses Paradero Tepotzotlán:

Different locations in the Mexican Republic, which arrive directly at the Tepotzotlán whereabouts

From the bus stop to the Center of Tepotzotlán it takes approximately 15 minutes.
You can take a taxi.
You can board the yellow truck "Lagartos" to Tepotzotlán.