APA (7th ed.) Citation

Snowman, D. (1978). America since 1920 (Revised updated ed.). Heinemann Educational.

Chicago Style (17th ed.) Citation

Snowman, Daniel. America Since 1920. Revised updated ed. London: Heinemann Educational, 1978.

MLA (9th ed.) Citation

Snowman, Daniel. America Since 1920. Revised updated ed. Heinemann Educational, 1978.

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