APA (7th ed.) Citation

Oppenheim, L. (2010). International Incidents for Discussion in Conversation Classes. Project Gutenberg.

Chicago Style (17th ed.) Citation

Oppenheim, L. International Incidents for Discussion in Conversation Classes. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Oppenheim, L. International Incidents for Discussion in Conversation Classes. Project Gutenberg, 2010.

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