The classified Directory of Artists Signatures Symbols & Monograms.

MLA

Caplan H.H. The Classified Directory of Artists Signatures Symbols & Monograms. London: George Prior Publishers, 1976.

APA

Caplan H.H, C. H.H. (1976). The classified Directory of Artists Signatures Symbols & Monograms. London: George Prior Publishers.

Chicago

Caplan H.H. The Classified Directory of Artists Signatures Symbols & Monograms. London: George Prior Publishers, 1976.