Cita APA (7a ed.)

Turner, A., & Rose, C. (1989). Swallows & Martins: An identification guide and handbook. Houghton mifflin company.

Cita Chicago Style (17a ed.)

Turner, Angela, y Chris Rose. Swallows & Martins: An Identification Guide and Handbook. Boston: Houghton mifflin company, 1989.

Cita MLA (9a ed.)

Turner, Angela, y Chris Rose. Swallows & Martins: An Identification Guide and Handbook. Houghton mifflin company, 1989.