APA (7th ed.) Citation

Hedrén, M. (1989). Justicia sect. Harnieria (Acanthaceae) in tropical Africa. Almqvist & Wiksell.

Chicago Style (17th ed.) Citation

Hedrén, Mikael. Justicia Sect. Harnieria (Acanthaceae) in Tropical Africa. Stockholm: Almqvist & Wiksell, 1989.

MLA (9th ed.) Citation

Hedrén, Mikael. Justicia Sect. Harnieria (Acanthaceae) in Tropical Africa. Almqvist & Wiksell, 1989.

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