"Every team are different. Every team have different players. We beat City in our own way. Other teams must do it their own way.
"City are so good that you cannot let them dictate the game. After three defeats in two games, people were starting to talk about us (negatively) so to beat City was a big moment for us.
"Now people are talking about us beating City but it's only three points.
"Three points against City is the same three points if we beat Brighton on Sunday."
N'Golo Kante was the unlikely opening scorer (Image: GETTY)
Victory over City came just days after a shock defeat to Wolves. That prompted the doubters to voice their concerns over whether Chelsea had the staying power to mix it with the league's best.
But Azpilicueta is adamant they do after a summer of hard graft.
"Everyone was saying at the start of the season that we could challenge for the league and then we lose two games and people start talking differently about us again," he said.
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David Luiz put the game out of City's reach with a towering header (Image: GETTY)
"When we won those games at the start of the season, maybe there was some surprise because we were adapting to a new style under a new manager.
"But I wasn't surprised, because I know how hard we worked in the summer."