Cita APA (7a ed.)

Watkins, F. C. (1978). Practical English Handbook. Houghton Mifflin.

Cita Chicago Style (17a ed.)

Watkins, Floyd C. Practical English Handbook. Boston: Houghton Mifflin, 1978.

Cita MLA (9a ed.)

Watkins, Floyd C. Practical English Handbook. Houghton Mifflin, 1978.