APA (7th ed.) Citation

Graydon, W. M. The River of Darkness; Or, Under Africa.

Chicago Style (17th ed.) Citation

Graydon, William Murray. The River of Darkness; Or, Under Africa.

MLA (9th ed.) Citation

Graydon, William Murray. The River of Darkness; Or, Under Africa.

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