APA (7th ed.) Citation

Sowers, P. A., & Ayer, M. (1944). Swords and sails in the Philippines. Albert Whitman.

Chicago Style (17th ed.) Citation

Sowers, Phyllis Ayer, and Margaret Ayer. Swords and Sails in the Philippines. Chicago, Ill: Albert Whitman, 1944.

MLA (9th ed.) Citation

Sowers, Phyllis Ayer, and Margaret Ayer. Swords and Sails in the Philippines. Albert Whitman, 1944.