APA (7th ed.) Citation

Pfeiffer, R. H. (1947). Ancient Alphabets.

Chicago Style (17th ed.) Citation

Pfeiffer, R. H. Ancient Alphabets. Cambridge, Mass, 1947.

MLA (8th ed.) Citation

Pfeiffer, R. H. Ancient Alphabets. 1947.

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