APA (7th ed.) Citation

Sangalli, S. (2021). Africa: The unknown: resources and gains. Gregorian & Biblical Press.

Chicago Style (17th ed.) Citation

Sangalli, Samuele. Africa: The Unknown: Resources and Gains. Roma, Italy: Gregorian & Biblical Press, 2021.

MLA (9th ed.) Citation

Sangalli, Samuele. Africa: The Unknown: Resources and Gains. Gregorian & Biblical Press, 2021.

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