Cita APA (7a ed.)

Sumulong, J., Aguinaldo, E., & Alejandrino, J. M. (1937). Briefs on economic problems of the Philippines. [s.n.].

Cita Chicago Style (17a ed.)

Sumulong, Juan, Emilio Aguinaldo, y Jose Magdangal Alejandrino. Briefs on Economic Problems of the Philippines. Manila: [s.n.], 1937.

Cita MLA (8a ed.)

Sumulong, Juan, et al. Briefs on Economic Problems of the Philippines. [s.n.], 1937.