"of the etiquette" is correct and can be used in written English.
For example, you could use it in a sentence like this: "The guests were unfamiliar with the norms of the etiquette."
I'm not certain of the etiquette.
Admittedly, some of the etiquette gets hairy.
She is a compass for an audience that seems adrift in the dilemmas of the etiquette of ethics.
"I expect my kids' day school to reinforce etiquette," she said, "but I don't expect my kids' day school to be the primary teacher of the etiquette".
As a part of the etiquette training, the players learn poise, how to engage in gentle conversation and the art of tying a necktie.
Fund-raising is familiar to Mr. Kerrey, but he is still mastering some of the etiquette required of a college administrator in Manhattan.
ONE of the most enjoyable pieces Johnson ever wrote was one on the etiquette of bribery.
What are your thoughts on the etiquette of unplugged weddings?
I devoured Proust and Wilde and turn-of-the-century etiquette, much of which I could not understand.
It typically refers to the etiquette of taking your share.
The first episode of the etiquette-lesson reality show, in which 14 contestants learned how to eat escargots and make conversation with Billy Bush of "Access Hollywood," attracted only 6.79 million viewers and finished fourth in the 18-to-49 18-to-49 18-to-49
