APA (7th ed.) Citation

Knuth, R. (1939). Barringtoniaceae: Lecythidaceae. Wilhelm Engelmann.

Chicago Style (17th ed.) Citation

Knuth, Reinhard. Barringtoniaceae: Lecythidaceae. Leipzig: Wilhelm Engelmann, 1939.

MLA (8th ed.) Citation

Knuth, Reinhard. Barringtoniaceae: Lecythidaceae. Wilhelm Engelmann, 1939.

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