Cita APA

Higgins, W., & Alrich, P. (2011). Orchid genera lectotypess.

Chicago Style Citation

Higgins, Wesley, i Peggy Alrich. Orchid Genera Lectotypess. 2011.

Cita MLA

Higgins, Wesley, i Peggy Alrich. Orchid Genera Lectotypess. 2011.

Atenció: Aquestes cites poden no estar 100% correctes.