@book{book_key,
	address = {City},
	publisher = {Publisher},
	author = {Smith, John},
	title = {Book title},
	year = {2012},
	volume = {3},
	series = {2},
	edition = {1},
	pages = {123--200},
	month = {January}
}

@article{article_key,
	address = {City},
	publisher = {Publisher},
	author = {Smith, James},
	title = {Article title},
	year = {2013},
	volume = {14},
	number = {6},
	pages = {1--8},
	month = {March}
}