APA (7th ed.) Citation

Stoecker, H. (1986). The historical background. German imperialism in Africa.

Chicago Style (17th ed.) Citation

Stoecker, Helmuth. "The Historical Background." German Imperialism in Africa 1986.

MLA (8th ed.) Citation

Stoecker, Helmuth. "The Historical Background." German Imperialism in Africa, 1986.

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