APA Style

Chu, H, F. (1949). How to Know the Immature Insects (Not specified). Dubuque, Iowa (William C. Brow: Wm. C. Brown Company Publishers.

MLA Style

Chu, H., F.. "How to Know the Immature Insects". Not specified Dubuque, Iowa (William C. Brow: Wm. C. Brown Company Publishers, 1949. BOOK.