APA (7th ed.) Citation

Ormsbee, R. A., & Peacock, M. G. Antigenic relationships of rickettsiae of the typhus and spotted fever groups.

Chicago Style (17th ed.) Citation

Ormsbee, R. A., and M. G. Peacock. Antigenic Relationships of Rickettsiae of the Typhus and Spotted Fever Groups.

MLA (9th ed.) Citation

Ormsbee, R. A., and M. G. Peacock. Antigenic Relationships of Rickettsiae of the Typhus and Spotted Fever Groups.

Warning: These citations may not always be 100% accurate.