Cita APA (7th ed.)

Vergara, B. S., Argosino, G., & Banta, S. (1991). Heliconias in the Philippines. Island Publishing House, Inc.

Cita Chicago (17th ed.)

Vergara, Ben S., G.S Argosino, i S.J Banta. Heliconias in the Philippines. Manila: Island Publishing House, Inc, 1991.

Cita MLA (9th ed.)

Vergara, Ben S., et al. Heliconias in the Philippines. Island Publishing House, Inc, 1991.