APA (7th ed.) Citation

Thonner, F. The flowering plants of Africa An analytical key to the genera of African phanerograms.

Chicago Style (17th ed.) Citation

Thonner, Franz. The Flowering Plants of Africa An Analytical Key to the Genera of African Phanerograms.

MLA (9th ed.) Citation

Thonner, Franz. The Flowering Plants of Africa An Analytical Key to the Genera of African Phanerograms.

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