Cita APA (7a ed.)
Seaton, R. S. (1976). Here's how: Health education by extension. William Carrey Library.
Cita Chicago Style (17a ed.)
Seaton, Ronald S. Here's How: Health Education by Extension. California: William Carrey Library, 1976.
Cita MLA (9a ed.)
Seaton, Ronald S. Here's How: Health Education by Extension. William Carrey Library, 1976.
Precaución: Estas citas no son 100% exactas.