Complex sentence: Mr. Mooney promoted the Knolls as a wholesome and convenient alternative to living in New York City advertising them in a nominal publication called "Mooney's Megaphone" in the New York Herald Tribune.
Split into simpler sentences: Mr. Mooney promoted the Knolls as a wholesome and convenient alternative to living in New York City. He advertised The Knolls in a nominal publication called Mooney's Megaphone in the New York Herald Tribune.