MLA

Layfield, and Zubair Baloch. The Papanicolaou Society of Cytopathology System for Reporting Respiratory Cytology. Springer International Publishing, 2019.

APA

Layfield, L., & Baloch, Z. (2019). The Papanicolaou Society of Cytopathology System for Reporting Respiratory Cytology. Springer International Publishing.

Chicago

Layfield, and Zubair Baloch. The Papanicolaou Society of Cytopathology System for Reporting Respiratory Cytology. : Springer International Publishing, 2019.