APA Style

Olsen, Arthur Robert, Kennedy, John Wesley. (1978). ECONOMICS; PRINCIPLES & APPLICATION, NINTH EDITION (9). Cincinaati, Ohio: South-Western Publishing .Co.

Chicago Style

Olsen, Arthur Robert, Kennedy, John Wesley. ECONOMICS; PRINCIPLES & APPLICATION, NINTH EDITION. 9 Cincinaati, Ohio: South-Western Publishing .Co, 1978. Text.

MLA Style

Olsen, Arthur Robert, Kennedy, John Wesley. ECONOMICS; PRINCIPLES & APPLICATION, NINTH EDITION. 9 Cincinaati, Ohio: South-Western Publishing .Co, 1978. Text.

Turabian Style

Olsen, Arthur Robert, Kennedy, John Wesley. ECONOMICS; PRINCIPLES & APPLICATION, NINTH EDITION. 9 Cincinaati, Ohio: South-Western Publishing .Co, 1978. Print.