APA (7th ed.) Citation

Whitehead, T. M. (1976). Philadelphia Printing and Publishing, 1876-1976.

Chicago Style (17th ed.) Citation

Whitehead, Thomas M. Philadelphia Printing and Publishing, 1876-1976. 1976.

MLA (9th ed.) Citation

Whitehead, Thomas M. Philadelphia Printing and Publishing, 1876-1976. 1976.

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