APA (7th ed.) Citation

Sinclair, U. (1936). Petrolo!: Unua parto. London: The Esperanto Publishing Co.

Chicago Style (17th ed.) Citation

Sinclair, Upton. Petrolo!: Unua Parto. London: The Esperanto Publishing Co, 1936.

MLA (8th ed.) Citation

Sinclair, Upton. Petrolo!: Unua Parto. London: The Esperanto Publishing Co, 1936.

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