http://skyscraperpage.com/cities/?buildingID=709
Official sources:
Cruz, Lourdes. (2008). Augusto H. Álvarez. Arquitecto de la Modernidad. UNAM. (check page 186 of the pdf file, p172 of the book)
Unofficial sources:
Google Earth 3d imagery, height and floor count
Heights--
- roof:
174m
Above ground floors:
47
I included screenshots from Google Earth's 3d imagery to show the information in the book does match reality.
Please, put the citation as the source rather than the link to the file shared in box.com. Thanks.