Instructor's guide to What are your problems?
By H.H. Remmers and C.G. Hackett; illustrated by Lucy Ozone.

APA Citation

Remmers, H. H. (Hermann Henry)., Hackett, C. G. (1951). Instructor's guide to What are your problems? [Chicago: Science Research Associates.

MLA Citation

Remmers, H. H. (Hermann Henry), 1892-, and C. G Hackett. Instructor's Guide to What Are Your Problems? [Chicago: Science Research Associates, 1951.

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