Cita APA (7a ed.)

Epstein, B., & Epstein, S. (1960). The first book of measurement. Watts, F.

Cita Chicago Style (17a ed.)

Epstein, Beryl, y Sam Epstein. The First Book of Measurement. [S.l.]: Watts, F, 1960.

Cita MLA (9a ed.)

Epstein, Beryl, y Sam Epstein. The First Book of Measurement. Watts, F, 1960.