APA (7th ed.) Citation

Nelson, L. W. (1970). Instructional aids; how to make and use them. W. C. Brown.

Chicago Style (17th ed.) Citation

Nelson, Leslie Weldemar. Instructional Aids; How to Make and Use Them. Dubuque, Iowa: W. C. Brown, 1970.

MLA (9th ed.) Citation

Nelson, Leslie Weldemar. Instructional Aids; How to Make and Use Them. W. C. Brown, 1970.