APA (7th ed.) Citation

Velasquez, G. T. (1962). The blue -green algae of the Philippines. Bustamante Press, Inc.

Chicago Style (17th ed.) Citation

Velasquez, Gregorio T. The Blue -green Algae of the Philippines. Quezon City: Bustamante Press, Inc, 1962.

MLA (9th ed.) Citation

Velasquez, Gregorio T. The Blue -green Algae of the Philippines. Bustamante Press, Inc, 1962.