APA (7th ed.) Citation

Hearn, B. (1953). The art of signwriting. B.T. Batsford.

Chicago Style (17th ed.) Citation

Hearn, B. The Art of Signwriting. London: B.T. Batsford, 1953.

MLA (8th ed.) Citation

Hearn, B. The Art of Signwriting. B.T. Batsford, 1953.

Warning: These citations may not always be 100% accurate.