Cita APA (7th ed.)

Quisumbing, E. A. Philippine orchids and their culture. Philippine Orchid Sorciety].

Cita Chicago (17th ed.)

Quisumbing, Eduardo Arguelles. Philippine Orchids and Their Culture. [Manila: Philippine Orchid Sorciety].

Cita MLA (9th ed.)

Quisumbing, Eduardo Arguelles. Philippine Orchids and Their Culture. Philippine Orchid Sorciety].