Cita APA (7a ed.)

Topel, J. What Kind a sign are Vultures? Luke 17,37b.

Cita Chicago Style (17a ed.)

Topel, John. What Kind a Sign Are Vultures? Luke 17,37b.

Cita MLA (9a ed.)

Topel, John. What Kind a Sign Are Vultures? Luke 17,37b.