ALS to Samuel Hartlib (d. 1670?); Lamport
MLA
ALS to Samuel Hartlib (d. 1670?); Lamport. 1639. https://collections.library.yale.edu/catalog/10034155.
APA, 6th edition
ALS to Samuel Hartlib (d. 1670?); Lamport. (1639). https://collections.library.yale.edu/catalog/10034155.