Doctors of philosophy of Yale University :
with the titles of their dissertations [Supplement for the years] 1928-1930.

APA Citation

Yale University., Yale University. Graduate School., Yale University. (1931). Doctors of philosophy of Yale University: with the titles of their dissertations [Supplement for the years] 1928-1930. New Haven.

MLA Citation

Yale University, Yale University. Graduate School, and Yale University. Doctors of Philosophy of Yale University: With the Titles of Their Dissertations [Supplement for the Years] 1928-1930. New Haven, 1931.

Warning: These citations may not always be complete (especially for serials).