puZZle

this is in-text example:

(C.W. Darling, ENG 102 lecture, April 14, 2004).

if you need to put it in reference too (some prof require some not) tehn this :

Applebee, F. (1993, January). Reducing the federal deficit. Lecture delivered at Dartmouth College at the Rockefeller Symposium, Dartmouth College, Hanover, NH.