APA

post e., .etiquette in society , in business, in politics and at home. new york: funk & wagnalls company.

Chicago

post emily, .etiquette in society , in business, in politics and at home. new york: funk & wagnalls company.

Harvard

post e., .etiquette in society , in business, in politics and at home. new york: funk & wagnalls company.

MLA

post emily, .new york: funk & wagnalls company. .