Cita APA (7th ed.)

Harp, J., & Hofley, J. R. (1971). Poverty in Canada. Prentice-Hall of Canada.

Cita Chicago (17th ed.)

Harp, John, i John R. Hofley. Poverty in Canada. Scarborough, Ont: Prentice-Hall of Canada, 1971.

Cita MLA (9th ed.)

Harp, John, i John R. Hofley. Poverty in Canada. Prentice-Hall of Canada, 1971.