John Steinbeck's The Grapes of wrath :
teacher's guide /
[written by Philip Burnham, David Kipen and Erika Koss for the National Endowment for the Arts].
APA Citation
Burnham, P., Koss, E., Kipen David., Boeing Company., Arts Midwest (Organization : Minneapolis, M., Institute of Museum and Library Services (U.S.)., National Endowment for the Arts. (2006). John Steinbeck's The Grapes of wrath: teacher's guide. [Washington, DC]: National Endowment for the Arts.
MLA Citation
National Endowment for the Arts, et al.. John Steinbeck's The Grapes of Wrath: Teacher's Guide. [Washington, DC]: National Endowment for the Arts, 2006.
Warning: These citations may not always be complete (especially for serials).