APA (7th ed.) Citation

Gleeck, L. E. (1984). The American half-century, 1898-1946. Historical Conservation Society.

Chicago Style (17th ed.) Citation

Gleeck, Lewis E. The American Half-century, 1898-1946. Manila: Historical Conservation Society, 1984.

MLA (9th ed.) Citation

Gleeck, Lewis E. The American Half-century, 1898-1946. Historical Conservation Society, 1984.