APA (7th ed.) Citation

Robyns, A., & Nilsson, S. Bombacaceae neotropicae novae.

Chicago Style (17th ed.) Citation

Robyns, André, and S. Nilsson. Bombacaceae Neotropicae Novae.

MLA (9th ed.) Citation

Robyns, André, and S. Nilsson. Bombacaceae Neotropicae Novae.

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