A collector's guide to : : 20th-century toys.

MLA

Opie, James, Duncan Chilcott, and Julia Harris. A Collector's Guide to : 20th-century Toys. Secausus: Wellfleet Books, 1990.

APA

Opie, J., Chilcott, D., & Harris, J. (1990). A collector's guide to : 20th-century toys. Secausus: Wellfleet Books.

Chicago

Opie, James, Duncan Chilcott, and Julia Harris. A Collector's Guide to: 20th-Century Toys. Secausus: Wellfleet Books, 1990.