Παραπομπή APA

Nickerson, H. K., Spencer, D. C., & Steenrod, N. E. (1959). Advanced calculus. East - West.

Παραπομπή Chicago Style

Nickerson, H K., D C. Spencer, και N E. Steenrod. Advanced Calculus. New Delhi: East - West, 1959.

Παραπομπή MLA

Nickerson, H K., et al. Advanced Calculus. East - West, 1959.