LISP Fibonacci recursive function

USING COND

(defun fibo(n)
   (cond ((= n 0) 1)
       ((= n 1) 1)
       ((> n 1) (+ (fibo(- n 1)) (fibo(- n 2))))
   )
)

USING IF

(defun fibo2(n)
    (if (or (zerop N) (= N 1)) 1
    (+ (fibo2(- n 1)) (fibo2(- n 2))))
)