APA

Shepherd W., . (1971). Shepherd's Glossary of graphic signs and symbols. New York: Dover Publications.

Chicago

Shepherd Walter, . 1971. Shepherd's Glossary of graphic signs and symbols. New York: Dover Publications.

Harvard

Shepherd W., . (1971). Shepherd's Glossary of graphic signs and symbols. New York: Dover Publications.

MLA

Shepherd Walter, . Shepherd's Glossary of graphic signs and symbols. New York: Dover Publications. 1971.