Standard kanji spelling. The reading ききづたえ is the most common pronunciation.
ききつたえ
Alternate reading; less common than ききづたえ.
ききつたえ
Etymology
Compound of 聞き (kiki, 'hearing', the continuative form of 聞く) and 伝え (tsutae, 'transmission', from 伝える). The reading ききづたえ results from rendaku voicing of つたえ to づたえ.