(1649). 'T Fort van Griet-Zyl in Oost-Vrieslant. [Joan Blaeu].
Chicago Style (17th ed.) Citation'T Fort Van Griet-Zyl in Oost-Vrieslant. [Amsterdam]: [Joan Blaeu], 1649.
MLA (9th ed.) Citation'T Fort Van Griet-Zyl in Oost-Vrieslant. [Joan Blaeu], 1649.
Warning: These citations may not always be 100% accurate.