MLA

Langren, Henricus F. ab (Henricus Florentius), ca. 1574-1648. Exacta & accurata delineatio cum orarum maritimarum .... 1595. https://collections.library.yale.edu/catalog/2036085.

APA, 6th edition

Langren, Henricus F. ab (Henricus Florentius), ca. 1574-1648. (1595)[Exacta & accurata delineatio cum orarum maritimarum ...]. https://collections.library.yale.edu/catalog/2036085.