Each signer of a recall petition shall sign his name in ink or indelible pencil and shall place thereon after his name, his place of residence by street and number. To each such petition paper there shall be attached an affidavit of the circulator thereof, stating the number of signers to such part of the petition and that each signature appended to the paper was made in his presence and is the genuine signature of the person whose name it purports to be.