Cita APA (7th ed.)

PIKUNAS JUSTIN. (1969). HUMAN DEVELOPMENT AN ENGERGENT SCIENCE (3RD.). MCGRAW-HILL.

Cita Chicago (17th ed.)

PIKUNAS JUSTIN. HUMAN DEVELOPMENT AN ENGERGENT SCIENCE. 3RD. TOKYO: MCGRAW-HILL, 1969.

Cita MLA (9th ed.)

PIKUNAS JUSTIN. HUMAN DEVELOPMENT AN ENGERGENT SCIENCE. 3RD. MCGRAW-HILL, 1969.