Cita APA (7th ed.)

Velasquez, G. T., Doty, M. S., & Trono, G. C., Jr. (1972). Algal species reported from the Philippines. s.n.].

Cita Chicago (17th ed.)

Velasquez, Gregorio T., Maxwell S. Doty, i Gavino C. Trono, Jr. Algal Species Reported from the Philippines. [S.l: s.n.], 1972.

Cita MLA (9th ed.)

Velasquez, Gregorio T., et al. Algal Species Reported from the Philippines. s.n.], 1972.