APA (7th ed.) Citation

Robbrecht, E. (1988). Tropical woody Rubiaceae: Characteristic features and progressions ; contributions to a new subfamilial classification. Nationale Plantentuin van België.

Chicago Style (17th ed.) Citation

Robbrecht, Elmar. Tropical Woody Rubiaceae: Characteristic Features and Progressions ; Contributions to a New Subfamilial Classification. Meise: Nationale Plantentuin van België, 1988.

MLA (9th ed.) Citation

Robbrecht, Elmar. Tropical Woody Rubiaceae: Characteristic Features and Progressions ; Contributions to a New Subfamilial Classification. Nationale Plantentuin van België, 1988.

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