APA (7th ed.) Citation

Regiomontanus. (1561). De triangulis planis et sphaericis: Libri V.

Chicago Style (17th ed.) Citation

Regiomontanus. De Triangulis Planis Et Sphaericis: Libri V. Basileae, 1561.

MLA (9th ed.) Citation

Regiomontanus. De Triangulis Planis Et Sphaericis: Libri V. 1561.

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