Cita APA (7th ed.)

Earnest, W. (1918). A war catechism: Questions and answers concerning the great world war ; its causes and progress ; our country's part in it ; our duties as citizens. Bureau of Print.

Cita Chicago (17th ed.)

Earnest, W.W. A War Catechism: Questions and Answers Concerning the Great World War ; Its Causes and Progress ; Our Country's Part in It ; Our Duties as Citizens. Manila: Bureau of Print, 1918.

Cita MLA (9th ed.)

Earnest, W.W. A War Catechism: Questions and Answers Concerning the Great World War ; Its Causes and Progress ; Our Country's Part in It ; Our Duties as Citizens. Bureau of Print, 1918.