Ryff, P., & Ostein, L. (1593). SPHAERA MVNDI: || hoc est,|| ELEMENTA || COSMOGRAPHIAE,|| Legibus Logicis,|| In usum Acad. Basiliensis,|| PER || PETRVM RYFF BASILIENS.|| Mathematicarum Profess.|| exposita.||. Ostein, Leonhard.
Chicago Style (17th ed.) CitationRyff, Peter, and Leonhard Ostein. SPHAERA MVNDI: || Hoc Est,|| ELEMENTA || COSMOGRAPHIAE,|| Legibus Logicis,|| In Usum Acad. Basiliensis,|| PER || PETRVM RYFF BASILIENS.|| Mathematicarum Profess.|| Exposita.||. Basel: Ostein, Leonhard, 1593.
MLA (9th ed.) CitationRyff, Peter, and Leonhard Ostein. SPHAERA MVNDI: || Hoc Est,|| ELEMENTA || COSMOGRAPHIAE,|| Legibus Logicis,|| In Usum Acad. Basiliensis,|| PER || PETRVM RYFF BASILIENS.|| Mathematicarum Profess.|| Exposita.||. Ostein, Leonhard, 1593.
Warning: These citations may not always be 100% accurate.