:Template:Staufer-Pennsy Power II

{{cite book

| last1 = Staufer

| first1 = Alvin F.

| last2 = Pennypacker

| first2 = Bert

| date = June 1968

| edition = 1st

| title = Pennsy Power II: Steam Diesel and Electric Locomotives of the Pennsylvania Railroad

| location = Medina, Ohio

| publisher = Alvin F. Staufer

| ref = {{{ref|}}}

| page = {{{page|}}}

| pages = {{{pages|}}}

| no-pp = {{{no-pp|{{{nopp|}}}}}}

| isbn = 978-0944513057

}}