Cita APA (7th ed.)

Johnson, B. S. (1973). Christie Malry's own double-entry. Collins.

Cita Chicago (17th ed.)

Johnson, B. S. Christie Malry's Own Double-entry. London: Collins, 1973.

Cita MLA (8th ed.)

Johnson, B. S. Christie Malry's Own Double-entry. Collins, 1973.