APA (7th ed.) Citation

Archer, C. I. (1971). The defense of New Spain, 1789-1810. Archer.

Chicago Style (17th ed.) Citation

Archer, Christon Irving. The Defense of New Spain, 1789-1810. [Stony Brook, N.Y.]: Archer, 1971.

MLA (9th ed.) Citation

Archer, Christon Irving. The Defense of New Spain, 1789-1810. Archer, 1971.

Warning: These citations may not always be 100% accurate.