What's it all about? /
edited by John Henrik Clarke and Vincent Harding.

APA Citation

Clarke, J. Henrik., Harding, V. (1969). What's it all about? New York: Holt, Rinehart and Winston.

MLA Citation

Clarke, John Henrik, 1915-1998, and Vincent Harding. What's it All About? New York: Holt, Rinehart and Winston, 1969.

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