APA (7th ed.) Citation

Almada, J. d. (1913). Comparative essay on indentured labour at St. Thomé and Principe. National Printing Office.

Chicago Style (17th ed.) Citation

Almada, José de. Comparative Essay on Indentured Labour at St. Thomé and Principe. Lisbon: National Printing Office, 1913.

MLA (9th ed.) Citation

Almada, José de. Comparative Essay on Indentured Labour at St. Thomé and Principe. National Printing Office, 1913.