Citazione Stile APA (7a Edizione)

Heather, W. (1801). A new Chart of the Cattegat and Baltic or East Sea. William Heather.

Citazione stile Chigago Style (17a edizione)

Heather, William. A New Chart of the Cattegat and Baltic or East Sea. Londyn: William Heather, 1801.

Citatione MLA (9a ed.)

Heather, William. A New Chart of the Cattegat and Baltic or East Sea. William Heather, 1801.