APA
Kramer S. N. 1., . (1959). History begins at Summer; tewnty seven " firsts" in man's recorded history. New York: Doubleday Anchor Books.
Chicago
Kramer Samuel Noah 1897, . 1959. History begins at Summer; tewnty seven " firsts" in man's recorded history. New York: Doubleday Anchor Books.
Harvard
Kramer S. N. 1., . (1959). History begins at Summer; tewnty seven " firsts" in man's recorded history. New York: Doubleday Anchor Books.
MLA
Kramer Samuel Noah 1897, . History begins at Summer; tewnty seven " firsts" in man's recorded history. New York: Doubleday Anchor Books. 1959.
