@Book{OL6497578M,
    title: {Then and now},
    author: {William Somerset Maugham},
    publisher: {Doubleday \& company, inc.},
    year: {1946},
    place: {Garden City, N.Y},
}

@Author{OL33585A,
    name: {William Somerset Maugham},
    birth_date: {25 January 1874}
    , death_date: {16 December 1965}
}