Cita APA (7th ed.)

(1631). The sea-mans kalender: Or, An ephemerides of the sunne, moone, and certaine of the most notable fixed starres. [electronic resource].

Cita Chicago (17th ed.)

The Sea-mans Kalender: Or, An Ephemerides of the Sunne, Moone, and Certaine of the Most Notable Fixed Starres. [electronic Resource]. 1631.

Cita MLA (9th ed.)

The Sea-mans Kalender: Or, An Ephemerides of the Sunne, Moone, and Certaine of the Most Notable Fixed Starres. [electronic Resource]. 1631.