Per anno

@incollection{searle-speechact1965,
    address = {London, UK},
    apice = {SearleSpeechact1965},
    author = {Searle, John},
    booktitle = {Philosophy in America},
    editor = {Black, Maurice},
    pages = {221--239},
    publisher = {Allen and Unwin},
    title = {What is a Speech Act?},
    year = 1965
}