Benson, L. The Cacti of Arisons.
Cita Chicago (17th ed.)Benson, Lyman. The Cacti of Arisons.
Cita MLA (9th ed.)Benson, Lyman. The Cacti of Arisons.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)