APA (7th ed.) Citation

Nelson, L. W. (1970). Instructional aids: How to make and use them. W. C. Brown Co.

Chicago Style (17th ed.) Citation

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

MLA (8th ed.) Citation

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