APA (7th ed.) Citation

Howe, R. H. Williamsonia Lintneri (Hagen), its History and Distribution. Wiley.

Chicago Style (17th ed.) Citation

Howe, R. Heber. Williamsonia Lintneri (Hagen), Its History and Distribution. Wiley.

MLA (9th ed.) Citation

Howe, R. Heber. Williamsonia Lintneri (Hagen), Its History and Distribution. Wiley.

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