MLA

Bruyn, Abraham de, 1540-1587?. Diversarvm gentivm armatvra eqvestris : Vbi fere Europæ Asiæ ato[?] Africæ equitandi ratio propria expressa est. Abraham[?] Bruÿmus excude.. 1575?]. https://collections.library.yale.edu/catalog/16167376.

APA, 6th edition

Bruyn, Abraham de, 1540-1587?. (1575?])[Diversarvm gentivm armatvra eqvestris : Vbi fere Europæ Asiæ ato[?] Africæ equitandi ratio propria expressa est. Abraham[?] Bruÿmus excude.]. https://collections.library.yale.edu/catalog/16167376.