APA (7th ed.) Citation

Kramer, S. N. (1967). Cradle of civilization / by S.N. Kramer. Time-Life International.

Chicago Style (17th ed.) Citation

Kramer, S. N. Cradle of Civilization / by S.N. Kramer. Time-Life International, 1967.

MLA (9th ed.) Citation

Kramer, S. N. Cradle of Civilization / by S.N. Kramer. Time-Life International, 1967.

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