Cita APA (7th ed.)

Brumfiel, C. F., Robert E. Eicholz, & Merrill E. Shanks. (1963). Introduction to mathematics with supplementary problems. California State Dept. of Education.

Cita Chicago (17th ed.)

Brumfiel, Charles F., Robert E. Eicholz, i Merrill E. Shanks. Introduction to Mathematics with Supplementary Problems. Sacramento: California State Dept. of Education, 1963.

Cita MLA (9th ed.)

Brumfiel, Charles F., et al. Introduction to Mathematics with Supplementary Problems. California State Dept. of Education, 1963.