Cita APA (7a ed.)

Sylvester, D., & Burrill, T. (1976). Detective work: The mystery of the empty grave. McDougall.

Cita Chicago Style (17a ed.)

Sylvester, David, y Ted Burrill. Detective Work: The Mystery of the Empty Grave. Edinburgh: McDougall, 1976.

Cita MLA (9a ed.)

Sylvester, David, y Ted Burrill. Detective Work: The Mystery of the Empty Grave. McDougall, 1976.